When the heroine was young, her father had an affair and brought his mistress and illegitimate daughter home, which drove the heroine's mother to suicide and also intended to harm the heroine. To save her life, she had to pretend to be crazy and foolish. Later, the heroine grew up and inherited her mother's organization, but she needed to find the heirloom left by her mother to convince the subordinates of the organization. The heirloom was given to the hero for his own safety when he was ill a long time ago. An accident caused the hero to be framed into a car accident, resulting in disability and impotence, becoming a person that everyone in the country avoided. However, because the hero's family had already arranged a marriage with heroine's family, they had to let a daughter get married. Originally, the younger sister was chosen, but at the wedding site, the younger sister did not want to marry the hero and be a de facto widow, so she refused the marriage on the spot. The heroine took the opportunity to marry the hero as she wished. After the marriage, the heroine did not forget to look for her mother's heirloom. In the process, she encountered the hero who wanted to investigat…