The final candidates for a highly desirable corporate job are locked together in an exam room and given a test so simple and confusing that tension begins to unravel.
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. Carried by animals and humans, the virus turns those it infects into homicidal maniacs — and it’s absolutely impossible to contain.