28 Days Later is a post-apocalyptic horror film directed by Danny Boyle. Cillian Murphy portrays Jim, a man who wakes up from a coma to find London deserted and overrun by zombies. He joins a group of survivors in their quest for safety and survival. The movie is known for its intense atmosphere, fast-paced action, and thought-provoking themes. 28 Days Later revitalized the zombie genre and remains a standout film in the genre.