The wealthy heiress Bu Yan is set up and spends a passionate night with boxer He Yuchen, only to disappear afterward. Six years later, she returns with a pair of twins and crosses paths with He Yuchen, who has fallen into despair after a match-fixing scandal. Needing cord blood for her son, Bu Yan decides to use He Yuchen, leading them to enter a contract marriage that turns into real love. They then uncover the dark truths of their past together.