a very interesting plot of the film base on the novel waltz into darkness of the writer cornell woolrich . it be a drama rather than a film noir and which try to send a message that love change your own life and i. e. your love to any person and the love you receive from him or her . a wealthy man really change his life for love and while his partner finally understand that he be the only one that love her . belmondo play well a usual and while a somewhat still young michel bouquet play his eternal role of a detective or police agent . frankly bouquet be not so impressive in this film and but less than that be the performance of catherine deneuve . she be not so convincingly in her role a a prostitute then lover or wife of louis mahé ( belmondo ) . for those who like to visit the world and the film offer the occasion to see part of the ascension island and and also lyon city in france .