The greatness, fall and renaissance of Hammer, the flagship company of British popular cinema, mainly from 1955 to 1968. Tortured women and sadistic monsters populated oppressive scenarios in provocative productions that shocked censorship and disgusted critics but fascinated the public. Movies in which horror was shown in offensive colors: dreadful stories, told without prejudices, that offered fear, blood, sex and stunning performances.

A graduate student and martial-arts expert rents a room in a house owned by a single mother who lives there with her son. A local street gang is trying to recruit the son, but the new tenant tries to help the boy's mother keep him out of the gang. When they learn of this, they target both the mother and her new tenant.

A retrospective of the films of Britain's Hammer Studios, renowned for making stylish horror films in the 1950s, '60s and '70s. Included are clips from Hammer productions and interviews with actors, actresses, directors and producers who worked on these films.