A malicious stalker targets Kimito and Ayami, a happily married couple. Pretending to inspect the electricity, he installs bugs in their home to eavesdrop on their conversations. Seizing the opportunity when her husband is away on business, the man takes Ayami's body and stays in the house. As days of being violated pass, Ayami's body begins to change against her reason. Tormented by guilt but becoming a slave to her flesh, Ayami... The turmoil in the heart of a married woman who betrays her husband.
