The daughter of a wealthy family was forced to return home and inherit the family business, resisting the constraints and resisting desperately. She paid Bai Yueguang by mistake infatuatedly, but she only got a brother-sister relationship. Her grandfather forcefully appointed a bodyguard to take care of her. She ran away from home in anger and lived in the bodyguard's home. As we get along day and night, we gradually become more affectionate, and we are full of love and affection for each other. Bai Yueguang suddenly realized that it was too late to regret. Her grandfather was seriously ill, so she came back to take charge of the family business and strategize in the shopping mall. At the critical moment, Bai Yueguang subverted his original intention to save her, and finally couldn't accept his own orientation and committed suicide. A girl with a golden heart belongs to a steady bodyguard, and she will stay with her true love for the rest of her life.