Makoto and Mami are a married couple who have been co-workers for three years at a subcontract production company for an advertising agency. One day, Makoto is scolded by Saji, the department leader of a client company, for the damage caused by Makoto's mistake. Considering the situation of the company, Makoto is unable to consult his boss and ends up accepting Saji's proposal to "have Mami work for free as the accounting manager of our company." However, this was the beginning of a despicable trap cunningly set up by Saji...