Five years have passed since Rio and Yuya, who met and married at work, got married. Rio is growing increasingly anxious because they haven't been blessed with children yet, while her husband, Yuya, remains distant. Then, Yuya makes a mistake at work, causing significant damage to a client. The client's president, Nakata, is furious. However, Nakata, who had been fond of Rio since she was still working there, plots to make her his own as compensation for the damages. After hearing this, Rio decides that if it will save her husband, then she will go along with Nakata...