Due to the host's fault, Maki has taken on debt and secretly works in the sex industry without her husband's knowledge. While venting to a colleague at a bar, she is introduced to a lucrative job by the bar master. The job involves forming a personal relationship with a black man. Hesitant but driven by money, she signs the contract and becomes his mistress. After several trysts, Maki is invited to a party. She demands her payment beforehand but is knocked unconscious and forcibly taken to the chaotic party…
