The story of a bandoneon-loving musician who works as a detective in a hotel and the story of a chemist in love with a widowed woman.

A television director decides to make a show about the invasion of transvestites in Mar del Plata. He commissions one of his editors, Jorge Trolombati, who must infiltrate and impersonate one.

Alberto and Jorge are two friends who work as waiters and during a trip they meet an alien with extraordinary powers. It is sought by a Russian organization, and friends must hide it from it.