Éder is arrested when he confesses to killing a man. Duca, Éder's nephew, is only 15, but decides to prove his uncle's innocence, since he is sure that his uncle is assuming the crime in order to get his girlfriend out of prison.

A boy tries to help his uncle prove his innocence in a murder case. He thinks his uncle has confessed the crime as a cover-up for his girlfriend, who was the dead man's wife, so he starts a private investigation with help from his own friends, including the girl he loves.—[email protected]

Duca is a smart teenager who lives in Porto Alegre with his father Laerte and his mother Cléia. His best friends are Isa, on whom he has a crush, and Kid, on whom Isa has a crush. One night, his uncle Éder visits his family and informs them that he has just killed the former husband of his girlfriend Soraia. Duca finds mistakes in the story told by his uncle, and decides to investigate the tragic event.—Claudio Carvalho, Rio de Janeiro, Brazil