S.F.F.A.R.

A detective investigates a murder and gets caught up in spy shenanigans.

The action takes place on the coast of the eastern Pyrenees near the Spanish border. Mario Balducci escaped from prison, after settling his account with his former accomplice who had given him away, he joins his ex-mistress, Mado, a bellowing singer who he asks to help him get to Spain.

Released from prison, Arlette returns to her job as a cabaret star. The police try to get her to confess where the stolen jewels are hidden.