After losing her husband, teacher Kunio, in a sudden accident, Chiaki (Katsuno Nishimoto) slowly begins adjusting to living alone. Yet, each memory of her late husband brings her deep emotional pain. One day, Sugimoto, a former student with whom she's remained close since his graduation, pays her a visit. Overcome with guilt, Chiaki can no longer suppress her physical desires and gives in to his advances. That night, during the wake, an unexpected incident awakens her long-repressed lustful nature, pulling her into a whirlwind of new, intense emotions.