In the mountains of Costa Rica, a helicopter drops a team of scientists led by Doctor Morbius at the
entrance of a cave. Morbius suffers from a rare blood disease and needs canes to walk, so he asks
his team to set up the trap they’ve brought. Then he comes forward and raises his bleeding hand to
lure all the bats in the cave into the trap. The team and the pilot run in fear, but Morbius just
waits. This all started twenty-five years ago in Greece. Young Morbius lives in the hospital,
where Doctor Nicholas introduces him to a boy that Morbius nicknames Milo. Both kids suffer
from the same rare blood disease and immediately hit it off, sharing the same wish to be normal.
While they’re chatting, Milo’s machine suddenly malfunctions and he passes out. Morbius takes a
spring from his pen to quickly fix the machine and Milo immediately wakes up. Nicholas is very
impressed by Morbius’ intelligence and decides to send him to an exclusive school in New York,
but Morbius only accepts after Nicholas promises to take care of Milo. Before leaving Morbius
writes a letter to Milo, promising he’ll find a cure for their disease. The letter accidentally
falls from Milo’s hands and he goes to find it, only to discover some mean kids from the school
nearby are reading it and making fun of him for it. The group begins beating Milo up for fun,
but thankfully Nicholas arrives and scares them away before they can cause serious damage,
and he has to stop Milo from trying to get revenge too. Morbius manages to get his doctoral degree
when he turns nineteen and eventually develops an artificial blood that saves millions of lives.
The King of Sweden wants to give him the Nobel Prize but he turns it down because he discovered
the artificial blood by accident while trying to find a cure for his illness. Back to the present,
Morbius returns to his job at the hospital, where he’s approached by his coworker Doctor Martine
to have a private talk. While running some tests on him, she asks about Morbius’ crazy project to
remix human DNA with bat DNA, which is being funded by Milo. Morbius pretends he doesn’t
know what she’s talking about, but Martine reveals Morbius’ tank full of Colombian bats,
so he shares the truth. These bats are the only mammals on Earth that feed exclusively on blood,
so Morbius thinks their special saliva may be the solution to cure his illness. Martine is skeptical
of the idea and worries about the morals behind such an experiment, but Morbius goes ahead and
tests his new serum on a lab rat. Unfortunately the poor rat dies. At that moment one of Morbius’
patients starts having a seizure, so they rush to her room and have no choice but to induce a coma
to save her from a possible stroke. When Martine checks the lab again, she’s surprised to see the
rat moving, meaning the serum does work. Sometime later, Morbius meets with Milo to tell him about
his breakthrough and ask for more money. Since this experiment isn’t legal, he needs to do it on
international waters, and Milo gladly will pay for everything if it means finding a cure. A few days
later, Morbius takes Martine with him on the trip to international waters. Morbius manages to make
a new, more advanced serum and Martine injects it into Morbius’ spine. She also buckles him up
as his body starts shaking. At that moment, a crew member comes to the lab to check on them and while
Martine argues with him, Morbius manages to break free. Martine and the guard enter the isolation
room and are shocked to discover Morbius crawling on the ceiling with a monstrous face. The guard
tries to shoot him, but Morbius moves incredibly fast and jumps on him to feed while ignoring
Martine’s pleas to stop. Suddenly the ship’s alarm begins ringing, and Morbius’ sensitive ears hurt
so much that he starts to panic and damage the insolation room. The rest of the security crew
arrives and Martine tries to stop them, but they push her away, knocking her out. At that moment
Morbius manages to finish breaking the glass and jumps out of the room to show off his new vampiric
powers, which allow him to dodge bullets and move quickly to kill the guards without mercy. A few
survivors run away and lock the door, however Morbius is also incredibly strong now and
easily breaks it down. Then Morbius crawls on the ceiling again, taking his sweet time to capture
the guards one by one and kill them all. Once the whole crew is dead and Morbius has fed enough,
his body transforms back into its human shape, so he rushes to check himself in the mirror.
It’s clear to see he’s finally cured. Afterward, Morbius makes sure Martine is alright and checks
the surveillance cameras. He’s so disturbed to see what he’s done that he throws up,
but then he makes a mayday call, takes the serums, and jumps into the sea. The next morning,
two FBI agents arrive at the ship to investigate the crime scene, but unfortunately Morbius has
deleted all the security recordings and Martine is still unconscious. The case soon appears on
the news, which is seen by Nicholas and Milo. Sometime later, Morbius returns to the hospital,
and after checking on his patients, he goes to his lab to leave the serums. His body soon starts
failing again, so he rushes into the fridge to drink the artificial blood he’s created, that
way he can feed without having to kill anyone. Next he starts testing his abilities: he is fast,
athletic, can climb anything and jump all over the place. When he enters the tank with the bats,
they fly around him respectfully, and Morbius feels a kinship with them He also discovers that
he’s developed echolocation just like a bat, so he tests it by throwing a ball around the room and
catching it with his eyes closed. Unfortunately these powers only last as long as he feeds. The
artificial blood keeps him stable for six hours, but the timing is growing shorter and he knows
he’ll need real blood soon. To test this further, he locks himself up in an isolated room. A few
hours later, Milo comes to visit and finds him in an extremely weak state. Morbius asks for blood
by writing it on the glass with his own, so Milo brings him a few bags from the freezer. As soon
as he feeds, Morbius recovers and is strong again, and Milo is amazed by this cure. However when Milo
asks to be injected too, Morbius tells him he’s made a mistake and that this cure is a curse. Milo
keeps insisting, so Morbius gets aggressive and kicks him out. Meanwhile Martine finally wakes up
and is visited by the FBI agents, who show her disturbing pictures of the bodies on the ship.
However Martine pretends she doesn’t remember what happened that night. Later in the evening, a nurse
is working late and notices the lights behaving strangely. She begins running away in fear,
but she’s still caught by a vampiric creature that kills her. When the body is found in the morning,
Morbius is as surprised as his coworkers and thinks he may’ve done it. Questioning his own
sanity, Morbius runs to the lab and takes a few fake blood bags before leaving. On his way out,
he’s confronted by the FBI agents, who ask questions about the experiments and decide to
arrest him. Morbius immediately defends himself and knocks them down with just a few moves,
then he escapes by climbing the stairs as he dodges bullets from a cop. He makes it
to the hospital roof and is shocked to feel the air from the A.C. unit stronger than usual, but
before he can test what it means, he’s arrested by the agents. At the Manhattan detention center,
Morbius is allowed to keep his notes and he makes the math to discover his feeding time went from
every six hours to four hours twenty-two minutes. When he’s taken to the interrogation room,
he’s handcuffed to the table, and the agents come in with holy water just in case. They blame him
for the deaths on the ship and also the nurse, but Morbius is starting to lose control and begs for
his bags of fake blood. The agents don’t take him seriously and send him back to his cell. Later on,
Morbius is visited by Milo, who offers his support and gives him a pack of artificial blood before he
leaves. However Morbius notices Milo has forgotten his cane and discovers the truth: Milo stole the
serum and injected himself with it, in fact he was the one who killed the nurse. Once his way out,
Milo stops pretending he’s disabled and walks away with perfect reflexes. Furious, Morbius drinks the
blood and transforms into his vampiric form to escape the cell through the window. Then he jumps
all over the city and uses his echolocation to hear Milo attack the owner of a newspaper stand.
Morbius immediately rushes to confront Milo on the street, calling him a monster. However
Milo thinks this power is amazing and they finally can do whatever they want, so he attacks Morbius
to get him off his back. A fierce fight ensues and as the vampires move to attack each other,
they end up crashing into the subway station, causing citizens to run in panic. After exchanging
a few more hits, Milo celebrates the fact they’ve evolved, but Morbius promises to find a way to fix
this. At that moment the police show up to arrest them both, however Milo moves fast and kills them
all in seconds before doing a little victory dance. Next, Milo attacks Morbius again as the
train comes closer. Morbius can feel the fast air caused by the train and jumps in front of
it to fly through the tunnels and escape. The next day, Martine feels like someone is following her
through the city, so she enters a shop to escape through the back door. The one following her is an
agent, who now has lost her in the crowd. Martine takes the bus and sees in the newspaper that
Morbius is a wanted man, only for him to suddenly appear behind her. She believes him when he says
Milo took the serum and is the actual killer, then they get off the bus to stop at a café. While they
chat, Morbius overhears two criminals mentioning a lab, so he asks Martine for a few things before
following them. After taking the artificial blood Martine got for him, Morbius finds the
thugs inside a lab where they counterfeit money. When he nicely asks them to give him their lab, a
thug tries attacking him with a knife, but Morbius breaks his hand and scares them all away as he
calls himself Venom. While Morbius uses the pieces of the printing machines to make the devices he
needs to work on a cure for vampirism, Milo is getting ready for a night out. After dancing
around the apartment while getting dressed, he goes to a nightclub and flirts with a beautiful
woman, but a guy says he saw her first and pushes him away. Milo manages to keep his powers under
control and leaves, however he waits outside and when the guy comes out with his friends, he kills
them all. Moments later, Martine goes to Morbius’ hospital lab to grab a few things and finds Milo
there asking for his friend. Martine swears she doesn’t know where Morbius is and makes him leave
without a fuzz. Meanwhile the FBI agents break into Martine’s place, but neither she nor her
cat are there. It’s then revealed that Martine is hiding with Morbius at the new lab and she brought
her cat with her. While trying to feed it, she accidentally cuts her finger, and Morbius has to
make an extra effort not to react to the smell of her blood. Afterward, they share a moment on the
roof and kiss, unaware that Milo watches them from afar. The next morning, the FBI agents find the
dead guys outside the bar and check the security cameras to discover Milo is the actual murderer.
Nicholas sees the update on the news and goes to see Milo, asking him to stop killing people. Milo
is tired of the doctor’s pity and after pointing out Morbius always was the favorite, he attacks
Nicholas, leaving him seriously wounded. Meanwhile Morbius manages to develop an antibody that will
harm only a vampiric body. He makes two bottles, one for Milo and one for Martine to use on himself
when the time comes. At that moment, he gets a call from Nicholas asking for help and he rushes
to Milo’s apartment. Unfortunately Nicholas only manages to beg Morbius to stop Milo before dying.
At the same time, Milo kidnaps Martine and makes her say Morbius’ name until he hears it with his
power. After finding their location with his echolocation, Morbius flies through the city
and finds Martine on a roof, bleeding from an injury by Milo. She wants Morbius to feed on
her so she can die being useful, but Morbius kisses her instead, causing a drop of his own
blood to fall in her mouth. At that moment Martine dies, so Morbius gives in to his fury and feeds on
her. Then Milo appears on the roof too, so Morbius jumps on him and both fall off the edge. On their
way down, the vampires continue to attack each other and crash through a building a few times
before they begin falling again. Milo hits Morbius extra hard and causes him to land on a platform,
where he grabs him by the leg and throws him against a glowing sign. When Morbius falls
one more time, Milo jumps on him and drags him against a building before they hit the street,
only to go through the pavement and land on a tunnel. While Milo laughs like a maniac, Morbius
sends a powerful echolocation wave through the tunnel with his voice and then through the water
with his hand. Suddenly an army of bats shows up to help Morbius up, and when Milo tries to
kill him with a metal rod, Morbius sends the bats after him. As the little beasts hold Milo down,
Morbius comes through and injects him with the antibody, causing Milo to turn human and apologize
before dying. At that moment the FBI agents arrive with the police, so Morbius hides among the bats
to fly out of the tunnel safely. Meanwhile on the roof, Martine wakes up and reveals she’s a vampire
too. Sometime later, a mysterious spell drops Spider-man’s enemy Vulture in the local prison.
Since he came from another universe, nobody knows who he is here and the police immediately release
him. Soon Vulture manages to remake his villain costume and approaches Morbius to team up.