El detective David García se encuentra ante un difícil y oscuro caso de asesinato. Simón Andreu vuelve a dar vida, como ya ocurriese en "Las protegidas", al osado investigador.

1978 film

The marriage between Federico and Monica is on the rocks. Federico has a mistress named Eva. There is a conspiracy between Monica's friend Elena and Eva to take over the company Eurozone owned by Federico. The situation becomes complicating when Diego appears, Federico's former associate.

The SS puts a slutty nightclub singer in charge of a train car full of prostitutes whose "services" are reserved solely for Adolf Hitler.