Former London constable Nicholas Angel finds it difficult to adapt to his new assignment in the sleepy British village of Sandford. Not only does he miss the excitement of the big city, but he also has a well-meaning oaf for a partner. However, when a series of grisly accidents rocks Sandford, Angel smells something rotten in the idyllic village.

Shaun lives a supremely uneventful life, which revolves around his girlfriend, his mother, and, above all, his local pub. This gentle routine is threatened when the dead return to life and make strenuous attempts to snack on ordinary Londoners.

Five friends who reunite in an attempt to top their epic pub crawl from 20 years earlier unwittingly become humankind's only hope for survival.