Doomsday (2008) is a post-apocalyptic action film directed by Neil Marshall. The story is set in the near future, where a deadly virus called “The Reaper” has wiped out much of the population in the United Kingdom, leading to the isolation of Scotland behind a massive quarantine wall. The virus resurfaces 30 years later, threatening the world once again.

The government sends a special operative, Eden Sinclair (played by Rhona Mitra), into the quarantined zone to find a cure. Inside, she discovers a savage society that has devolved into chaos. The survivors live in a medieval-like feudal system, ruled by a brutal leader, and some have mutated into monstrous beings due to the virus.

Sinclair must navigate this hostile and dangerous environment, battling ruthless enemies, to retrieve a sample of the virus and bring it back to the outside world to save humanity. The film combines elements of action, horror, and dystopian themes, with thrilling fight sequences, car chases, and intense violence, all while exploring themes of survival and societal collapse. Doomsday has gained a cult following for its over-the-top action, dark humor, and gritty take on the post-apocalyptic genre.