Night after night, the father and his newly wed bride engage in blindfolded encounters, the tension between them palpable. However, the father aggressively interrogates her about her past relationships, leaving the stepmother exasperated and prompting her to confide in her stepson. One night, the son sneaks into the stepmother's futon and mounts her, resolving that from now on, she will entrust everything to him. This shocking act rapidly propels the story forward.