Something more than a love story (though it is certainly that), this gripping French psychological drama is as tense and edgy as a thriller. Nina (Barbara Sukowa) has the apartment adjacent to Madeleine’s (Martine Chevallier), which is convenient: the two women have been lovers for decades, though Mado has kept this a secret from her grown children. Then a stroke renders Madeleine paralyzed and incapable of speech, and Nina falls into a bitter duel with her round-the-clock caregiver…