Upon arriving at the building where he works, Pedro finds the janitor, Hilário Garcia, dead inside one of the elevators. Inspector Canovas, in charge of the case, discovered that Hilário was Portuguese, widowed, with an only child living in the United States. Several suspicious people are detained and interrogated and, during the investigation, a guard and a girl are killed. With the help of the North American police, Inspector Canovas discovers that Hilário's son, Antônio and his wife Vanda, had already returned to Brazil. The two are located in São Paulo and detained for investigation. At the police, Antônio confesses to Carlos, his brother-in-law, that he was responsible for his father's death. Based on these statements, Canovas concludes that the caretaker was murdered because he discovered that his son and brother-in-law made a living from various suspicious businesses and were acting outside the law.
Dino and Dalmo are twin brothers. Dino is very shy, and the other, the opposite: a true Don Juan. When Dalmo dies, after being shot by a furious husband, he is received in heaven by a Club of Don Juans. But, in order to be admitted, he must go back to Earth, incarnated in his brother's body, and correct three mistakes he had made in his previous life.
Cícero and Samantha are lovers who are going to spend a "honeymoon" in Teresina. However, the girl dies suddenly and Cicero calls his friend Edgar to help him hide the body. The already complicated situation gets even worse when the car that holds the body is stolen.
"Lula, 'bon vivant' who subsists at the expense of small blows, goes on with his life without a present or future purpose. Basically, he just tries to forget having been abandoned by his fiancee Helena, who gave in to his father's imposition. The situations in which he gets involved from then on are paradoxical, trying to survive in the best possible way and spending money he doesn't have, but which comes to him in one way or another. On a day of complete despair, Lula meets a group of "hippies" and leaves catechized. Willing to anything, he becomes a preacher of new customs and new ethics of life. In turn, Helena, whose marriage had failed, dreams of meeting Lula again, hoping to return to his arms.