José is an unemployed 18-year-old living in a cramped apartment in the slums of Madrid. Marginalized by poverty, José spends his time with his friend Antonio. However, when Antonio gets his girlfriend, Rosario, pregnant, the two friends try anything to get the money to pay for her to have an abortion.
The film begins when a stranger arrives in town. He takes quickly to his former mistress, Denise, who is happily married to John, and has an affair with his identiske twin brother Peter. They plan together to drive John crazy. After unsuccessful attempts to blackmail the couple receive the stranger, Gert, to help them with their evil plan.
Leo Pozas, native from Burgos and high bank clerk, arrives to a town on the Costa Brava, with his mother to marry Loli. Unexpectedly, Leo's mother died. This may mean the suspension of the wedding, a year of mourning and, perhaps, another relief, so that Leo and Loli hide the corpse of the old betrothal until after the wedding...
