Martin, a drifter, is on his way to Istanbul when he meets Willy, a student working in Belgium. Fascinated by Martin, Willy decides to go with him to Istanbul, but soon discovers pieces of his dark past.

A respected police commissioner has a reputation as a opera lover, but by night he also enjoys plunging into the transvestite scene. In addition, he harbors a longing for his very own sister. When he learns that his wife has been murdered, he tries to implicate the set designer who has designs on his sister.