Amour fou (1999)

Amour Fou is a psychological thriller in which three characters are confronted in a room with no more than a chair, a rope and a gun. Henry's crazy love for Jackie has forced him to tie her lover up to a chair so that the woman can kill him. Henry tells Jackie all about how her boyfriend's bad behavior, and how he is the only one who really deserves her. In the end of this love triangle, Jackie has to choose whether to end her boyfriend's life, Henry's or hers.