A beautiful woman has spent a lifetime obsessing about a hit-and-run she caused years ago. She knows she struck something, but left the scene before determining what it was - and if it was alive. She's allowed this event has taken over her life, and now lives in near-isolation with an equally lonely man. When a stranger enters her life that may hold the key to her past, reality becomes stranger than nightmares, and memories cannot be trusted.
When a virus leaks from a top-secret facility, turning all resident researchers into ravenous zombies and their lab animals into mutated hounds from hell, the government sends in an elite military task force to contain the outbreak.
Twenty-eight days after a killer virus was accidentally unleashed from a British research facility, a small group of London survivors are caught in a desperate struggle to protect themselves from the infected.