Juan Carlos, a businessman, falls in love with a woman much younger than him, and ends up marrying her. Juan Carlos' mother-in-law, following an incident with him, tells him a fabricated story: that the father of her daughter is a stranger, with whom she had sex in the car of a train....
Alberto, who has been married to Laura for twenty years, meets Monica in his office, a serious and formal employee with whom he strikes up a friendship.
