Candinho is a hillbilly who leaves the countryside, taking his donkey along, and goes to São Paulo, trying to find his mother.

An employee of a glass factory suffers with his wife's contempt and starts to develop homicidal delusions about her. One night, he meets a singer which resembles his wife a lot and conjures up a plan.

To avoid gossips about his life, a rich man hires a butcher to play his wife's lover. But the two fall in love causing more troubles than expected.

Rock and Dr. Andrea travel up the Amazon to find out why the plantation workers have left their work in panic, allegedly because of attacks from Curucu, a monster who is said to live up the river where no white man has ever been before...