A perverse aristocrat takes advantage of the investigation on a kidnapper who is threatening him with death to get revenge on the judge who jailed him.

Haro is a refined and wicked aristocrat who is doing time for rape and murder. He begins to receive death threats from a kidnapper who is acting out against the Spanish business elite. Using his cleverness, Haro takes advantage of this adverse situation to negotiate penitentiary benefits in exchange of collaborating in the investigation of the kidnappings, although his true goal is getting revenge on the judge who put him in prison.