The political leader Alberto Carnevali, secretly returns to his country to plot against the dictatorship of Marcos Perez Jimenez. The Intense subversive struggle brings the torture of many of his comrades.

Commissioner Leon (Miguel Angel Landa) investigates the murder of a woman in a population near the capital. The woman was raped before death and the case is complicated when his brother becomes the prime suspect, since it is a priest (Eduardo Serrano). Because of the implications that inquiries might have, Leon is pressured to keep the event as a "crab" (Cangrejo, or a unsolvable case), but he decides to comply with the law.

A man and a woman hitch a ride in the dark and swap their sad tales of failed relationships.

Juana moves with her son Juan from the country to Caracas in search of better work and educational opportunities. When they get there they have to live in a poor home in one of the slums located in the city's outskirts, where they encounter a horrible world full of promiscuity and misery, that is quite different from what they expected and that eventually will lead Juana to self-destruction and Juan to reconsider his life in the city.

A voodoo warlock turns a girl into a zombie, by the orders of her stepmother, so she can continue her affair with the girl's boyfriend.

On New Year's Eve, a banker and his wife invite several friends to have dinner in their apartment. Suddenly, an astrologer makes an appearance and predicts seven of the present people will die in the next weeks.