Seventeenth Heaven

Trintignant is a dreamer who becomes the hero of James Bondesque adventures when he's sleeping. Actually he's a window cleaner and when he meets lovely blonde Dubois, he pretends he's a novelist, working on his next book. Dubois herself is a maid in a castle but she pretends to be the squire's daughter. So they think that their love is impossible and they try their best not to reveal their real personality.