There is a contractual entanglement between a substitute lover and a cold-blooded CEO. The heroine is terminally ill, and the hero mistakenly believes that the heroine betrayed and killed his first love.
Male Protagonist (Gu Yanci): The leader of the Huanyu Group, paranoid, cold-hearted, deeply in love with the dead Bai Yueguang Lin Wei, and regards the female protagonist as a substitute.
Heroine (Su Wan/Lin Qian): A down-and-out daughter who looks exactly like Lin Wei. She signed a three-year contract in order to treat her mother's illness, but finally left heartbroken.
Villain (Zhang's mother/Cousin Bai Yueguang): The real murderer hidden in the dark, who planned all the misunderstandings.
