In a future where mutants are nearly extinct, an elderly and weary Logan leads a quiet life. But when Laura, a mutant child pursued by scientists, comes to him for help, he must get her to safety.

Years after a mysterious plague has turned most of humanity into blood-hungry creatures, a vengeful drifter takes up with a group of survivors in an abandoned police station.

A disgruntled teenager, sent to do community service at a rundown Karate school, enters an MMA tournament to face the man who killed his parents.