A girl who is engaged leaves the nightclub where she works. On her way home, she is the only witness of a horrible murder. Unfortunately for her, the killer has seen her. Since then, her life starts to turn into a real nightmare, because the killer is determined to eliminate her.

Shortly before leaving his small town to go to the big city to study, young Daniel recalls his childhood, surrounded by family and friends.

Mari Pepa, a beautiful laundress of Madrid, and Felipe, a carpenter, are in love but they are always quarreling over trifles. However, she must marry with the fence Don Leo to help his father, a drunk player who has committed a robbery and has determined the family jewels.

An undertaker gets married to an old executioner's daughter and, although he doesn't like it, must continue the profession of his father-in-law after his retirement.

Madrid, Spain. Eloísa, a self-sacrificing wife and efficient mother, lives in the neighborhood of Maravillas with her husband, a violent policeman; her sanctimonious son, who spends his life studying and praying to atone for the sins of his family; and her two daughters, obsessed with wealth, who hate each other deeply.

Don Mendo, Marquess of Cabra, gallant and dashing knight of medieval Castilian, is also a virtuous mandoline player and a specialist in climbing towers. But he has a bad run, all played and all lost at seven-thirty (card game), and lost his honor playing in his latest escalation of love to the apartment of his beloved and beautiful Magdalena. Don Nuño Manso de Jarama, father of Magdalena, has pledged the hand of his daughter to the Duke of Toro, and surprises Don Mendo in the room of Magdalena. To save the honor of his beloved one, Don Mendo says that no love has led him to the Tower, but he has climbed to steal. Magdalena is clean of all suspicion, and he is condemned to die buried in the castle wall. The Marquess of Moncada and other noble gentlemen, all friends of Don Mendo, facilitate his escape.