Airi (Kana Momonogi) was happily married to Toshiyuki and living a fulfilling life as a housewife. One day, she encounters her neighbor, Nakamura, who is carrying an urn in their apartment building. "My wife passed away..." Airi visits Nakamura's home to offer flowers and incense at the altar. Overwhelmed by grief and despair, Nakamura loses his reason, becomes aroused by the young and beautiful Airi, attacks her, and forcibly rapes her! Although Airi feels heartbroken over her husband, her body is gradually corrupted by Nakamura, who frequently seeks her out from that day forward...