Born and raised in an affluent family, Fumiyo (Matsu) married an elite company man. Living a life without any hardships. On the other hand, Reika (Jinnou), who had an unfortunate childhood and worked in the sex industry, finally grasped happiness. She hates ignorant rich girls like Fumiyo. Together with her husband, who was once a customer at her shop, she finds meaning in life by pushing innocent housewives into a hell of pleasure. Learning that Fumiyo's husband is on a long overseas business trip, Reika puts on an act to trap Fumiyo, and Fumiyo falls for it...
