Homeless and on the run from a military court martial, a damaged ex-special forces soldier navigating London's criminal underworld seizes an opportunity to assume another man's identity, transforming into an avenging angel in the process.

In 1970s England, three blue-collar friends spend their days joking, drinking, fighting and chasing girls. Freddie wants to leave their working-class world but cool, charismatic Bruce and lovable loser Snork are happy with life the way it is. When Freddie gets a new job as a door-to-door salesman and bumps into his old school sweetheart Julie, the gang are forced to make choices that will change their lives for ever.

During a stopover in Germany in the middle of a carefree road trip through Europe, two American girls find themselves alone at night when their car breaks down in the woods. Searching for help at a nearby villa, they are wooed into the clutches of a deranged retired surgeon who explains his mad scientific vision to his captives' utter horror. They are to be the subjects of his sick lifetime fantasy: to be the first to connect people, one to the next, and in doing so bring to life "the human centipede."