The gorgeous Margot supports her aged father by seducing men on trains, slipping them a Mickey Finn (a beso de sueño) and robbing them. One night her victim is a currency smuggler taking 100 million pesetas out of Spain. He's being watched by a cop and by a burned-out alcoholic.
Maribel Verdú
as Margot
Eusebio Poncela
as Fernando Delgado
Manuel Alexandre
as Padre de Margot
Tony Isbert
as Inspector Sandoval
Valentín Paredes
as El Belga
Agustín González
as El Médico
José María Caffarel
as El Cura
Tito García
as El General
Francisco Guijar
as El Conde
Ramón Lillo
as Director del Asilo
Pilar Bardem
as Sor Purificación
José Moreno
as Revisor