A group of juvenile delinquents live a violent life in the infamous slums of Mexico City; among them Pedro, whose morality is gradually corrupted and destroyed by the others.

María Antonia, Beatriz and Leonor are three classmates who are anxiously awaiting the celebration of their 15th birthday. However, each of them will have to cope with their complicated personal situation.

A boarding house where four girls stay, each with their own personal problems.

Two spoiled rich kids learn to value their father's working-class heritage.

Engineering crew excavating a tunnel through a mountain, are trapped by a landslide.

Two bumbling bozos with detective licenses get hoodwinked by a pair of jewel-thieves.

Undefeated boxing champion for 15 years faces retirement. One final bout...

Teenagers with neglectful parents run amok; some get killed, some get arrested, some get rehabilitated.

Four young ladies, four fiances, nine crises. Then, the big day.

A gang of bandits attacks the population of Río Hondo, shooting left and right; a man decides to act.