The body of a naked man tied to a bed appears in a roadside motel. Sergeant Ruben Bevilacqua (Vila) and his colleague Virginia Chamorro assigned to investigate the case, which is especially delicate because Trinidad Soler, the dead, is a nuclear engineer and have sparked alarmist speculation in the press.

The body of a naked man tied to a bed appears in a roadside motel. Sergeant Ruben Bevilacqua (Vila) and his colleague Virginia Chamorro assigned to investigate the case, which is especially delicate because Trinidad Soler, the dead, is a nuclear engineer and have sparked alarmist speculation in the press.