Kaori, who married the wealthy Soichiro, gets entangled in her family's complex relationships. The eldest son and his wife are after the fortune, while the secretary has had feelings for Kaori all along. Then appears Aoi, the son of a former mistress whom her husband once toyed with and discarded, seeking revenge. However, Aoi is drawn to Kaori's kindness, and Kaori becomes engrossed in their twisted relationship. But when the secretary discovers their bond, he uses it as leverage to attack Kaori.
