Chen Sisi, the beautiful CEO in charge of a trillion-yuan conglomerate, signs a three-year marriage contract with Shen Beichen, an obscure bar singer, to get her family off her back about marriage. The agreement states that once the three years are up, their marriage will immediately end and be dissolved. For three years, Shen Beichen does everything he can to play the role of her contract husband, yet Chen Sisi never once gives him a second glance. In her heart, he is just a substitute she found after the man she truly loved left. When Chen Sisi learns that the man she has longed for over the past three years is returning home early, just as her marriage contract is about to expire, Shen Beichen accidentally brings home a prop from a film shoot: a cancer diagnosis. When Chen Sisi sees it, her once-icy heart is thrown into utter panic...