During the Carnival, in Niterói, the son of a Lira do Delírio nightclub dancer is kidnapped. With the help of a journalist friend, she dives into Rio de Janeiro's underworld and meet all kind of criminals. She also goes back in time, to a past carnival, where she thinks she might pin-point the culprit among a group of people.
Spoofing the entire 1940s detective genre, and his own performances as a bumbling private detective, Peter Falk plays Lou Pekinpaugh, a San Francisco private detective accused of murdering his partner at the instigation of his mistress, the partner's wife, Georgia Merkle.
The lawyer is visiting a prison to meet with a violent criminal who has been condemned to death. During the visit, things turn bad, there is a riot where prisoners escape and the criminal escapes taking a lawyer hostage.
A country family of five takes in cousin Julia, whose parents recently perished in a car crash. Julia extends her influence over the family and those around them, fooling all except for Rachel, the teenaged girl who knows her cousin is up to no good.