Born and raised in a wealthy family, she married an elite trading company man. - Fumiyo (Matsu) lives without any inconvenience. - On the other hand, his neighbor Reika (Kanna), who has finally found happiness after working in the sex industry after an unhappy childhood, hates naive young ladies like Fumiyo. - Together with her husband, who was a customer at the store, she feels the purpose of life is to make innocent married women fall into a hell of pleasure. - When Reika learns that Fumiyo's husband is on a long-term overseas business trip, she puts on a play to trick Fumiyo, and Fumiyo falls into the trap...