A wealthy plantation owner is captivated by a mysterious woman with a shady past. Wealthy plantation tycoon Louis (Jean-Paul Belmondo, Breathless) puts up an ad for a bride and luminous beauty Julie (Catherine Deneuve, Belle de Jour) arrives in answer. More attractive than the photograph he received Louis is nevertheless enraptured despite some strange details in her story. Things get complicated when Julie disappears and Louis determines to find her, leading him on a trail of mystery and erotic obsession. Adapted by Truffaut from a novel by Cornell Woolrich (The Bride Wore Black), Mississippi Mermaid is a lush colour noir that features the twists and turns of the genre with the heart of Renoir (to whom the film is dedicated) while Belmondo and Deneuve are on top form.