Mr. Garrone, an ambiguous architect, was assassinated, and Police Commissioner Santamaria is leading the investigation. Soon after, he is thrust into the upper echelons of Torino's social hierarchy. Santamaria has a suspicion about Anna Carla, and he is also head over heels in love with her. 'Lello' is the partner of Massimo, a gay platonic friend of Anna Carla's who happens to be gay. He is investigating in a different direction in attempt to discover the truth, and the findings of his investigation are confounding the Police Officer. However, another murder takes place...