An industrial magnate is subjected to a heart transplant to save his life. During his convalescence, his secretary will take over most of his stock.

Arturo Fernández
César

George Rigaud
Don Carlos

Rosenda Monteros
Laura

Ángel Lombarte
Detective
Ana María Noé
Berta

Rafael Durán
Don Andrés
Francisco Aliot
Encargado máquinas

José María Caffarel
Miembro del consejo
Alejo del Peral
Camarero

Rafael Navarro
Gil
Salvador Muñoz
Médico
María Amparo Soto
Secretaria de Don Carlos
Juan Torres
Ascensorista
Fernando León
Asesor de Berta
Víctor Bayo