Un Flic is a crime thriller set in 1970s France. A French police inspector is determined to catch a gang planning a bank robbery. As he digs deeper, the inspector uncovers a double life, transvestism, and a dangerous game of cat and mouse. The plot takes twists and turns as the characters navigate through murder, drugs, and police brutality.

A bored undertaker, married to an ex prostitute, falls in love with a transsexual.

Justine, leaves her family, drops out of school at 18. Drifting in Paris, encountering odd characters she finally slips into prostitution.