Les enchaînés

One of Hitchcock's most thrilling examinations of psychosexual ambiguity, with the Grant-Bergman relationship veering from an initial meet-cute to genuine (beautifully conveyed) mutual delight to sadistic manipulation - he makes a whore of her and forces the fact again and again into her face, seldom giving an inch until the very end, where his change of heart has a largely tacked on feeling. We first see him from behind, quietly, predatorily watching at one of her drunken parties; they go for a drive and we see his hand poised to grab the wheel even as he pretends to submit himself to her drunken control over the car - it sets the tone, for Grant never relents on his desire to possess her, and reacts all too like a spurned lover to events, belittling her love even as she continually reasserts it; the callousness with which he distances himself from her after learning of her assignment is breathtaking. The main plot can hardly match the complexity of the central relationship, even though it's an excellently constructed yarn, with the fine set pieces of the party and the ultimate escape, which is essentially a battle between Rains and Grant for possession of the weakened Bergman - a finale which emphasizes how she's always been a prisoner, of her father's myth, of the male system, of her own emotions.