Kirishima Shoji, president of the Kirishima Group, and his wife and secretary Hoshino Kanon have been married in secret for three years. Kanon is hospitalized after an airplane accident during a business trip, and there she witnesses Shoji going to the obstetrics and gynecology clinic with another woman (Sakurai Risa). Kanon confronts Shoji about his affair, but her mother-in-law and sister-in-law make snide remarks, and Shoji also treats her coldly. Hurt, Kanon asks for a divorce, but Shoji refuses. Then he sees Kanon with another man and becomes extremely jealous, and he becomes even harsher towards her. Then Shoji's old friend, Morisaki Takumi, confesses his love to Kanon and joins the fight! Shoji does not know that Kanon is the granddaughter of the Kujo family, one of the world's wealthiest families, and the two of them continue to misunderstand each other, and the distance between them grows.
