"28 Days Later" is a post-apocalyptic horror film directed by Danny Boyle and released in 2002. The story begins when a virus, known as the Rage Virus, is accidentally released from a research facility, leading to a rapid outbreak that turns people into aggressive, zombie-like creatures. The film follows Jim, a bicycle courier who wakes up from a coma 28 days later to find London deserted and overrun by infected individuals. As Jim navigates the desolate city, he encounters other survivors, including Selena and Mark. Together, they seek safety and a potential cure while facing the constant threat of the infected. The film explores themes of survival, humanity, and the consequences of scientific experimentation.