Jeca Tatu is a lazy, simple-minded guy who has his property threatened by the greed of a landowner.

An engaged couple discovers the corpse of a woman killed by strangulation in the Santo Amaro dam. Inspector Castro and his assistant, Pedro, start the investigation, collecting testimonies, and find a phone number with the name Conceição in the victim's pocket.

When a lady-killer announces his wedding, seven of his ex-girlfriends decide to kidnap him, keeping him in a sailing ship.