AllMovie

An expectant mother begins to question the identity of her unborn child's father after entering into an extramarital affair with her sister's lover. Marie and Antoine are living together and deeply in love when Marie voices her desire to become a mother. Unfortunately for Marie, Antoine has no interest in starting a family. Shortly thereafter, Marie meets Paul, and coolly rejects his advances. But later, when Paul begins sleeping with Marie's sister Juliette, Marie realizes that he may in fact be the man of her dreams. Subsequently alternating between Antoine and Paul as she wrestles with her nagging conscience, Marie later learns she is pregnant and realizes that she can't be certain which of her lovers is the father.