A schoolteacher in the small city of Santa Cruz de la Sierra has a passionate affair with his frigid wife's sister—despite the risk of having to confront not only his wife, but also his dubious father-in-law.

Dino García
as Jonás

María Renée Prudencio
as Julia

Claudia Lobo
as Talia

Julieta Egurrola
as Ira

Guillermo Gil
as Patrocio

Elías Serrano
as Pablo

Percy Fernández
as Cambista

Milton Cortez
as Grigotá

Juan Claudio Lechín
as Antonio

Jorge Jiménez
as Chico Lindo