tong siji (played by jia qing) lost her parents and became an orphan since childhood. as the eldest sister in the family, she had to take on the responsibility of taking care of her younger brother and sister. bbb。 while making a living everywhere, tong siji met a cold president named yi yi (played by zhang xiaolong). during the contact, tong siji's strength and kindness touched yi yi, and the two got together. yi yi's mother du juan (played by lin jing) accidentally discovered tong siji's true identity. in order to avoid the lies she had intruded, she deceived yi yi's sister who was related to him. yi yi felt very painful. in order not to delay tong siji, yi yi pretended to be in love with someone else and married tong siji's sister xiaoxia (played by lan yingying). however, on the wedding day, du juan's plot was exposed.