Kaori marries Soichiro, a member of a very wealthy family, and gets caught up in their web of complicated relationships. The eldest son and his wife look to take all fortunes. The secretary, in love with Kaori since the very beginning. Then Aoi, the son of the mistress her husband had toyed with and abandoned in the past, shows up to secretly seek revenge. However, Aoi is drawn to Kaori's kindness, and Kaori is drowning in her own twisted relationship with Aoi. However, when the secretary realizes their relationship, he uses it as an excuse to swoop down on Kaori.