Sébastien Radovitch

Marthe, an aging queen of the night, roams the streets of a city haunted by the presence of an invisible murderer in search of money to pay a large gambling debt.

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.