A man identified as A, operating a detective agency in Chofu City, Tokyo, receives numerous infidelity investigation requests, particularly from husbands suspecting their wives. However, instead of reporting findings to the husbands, A contacts the wives directly, blackmails them with the evidence, and coerces them into sexual acts as hush money. His despicable tactics and cruel, degrading language toward these married women unfold like a dark narrative. Immoral and shocking developments unfold throughout, with the intense verbal exchanges creating a disturbing yet compelling allure.