Jiang Chen, the richest man in the country, has lived with regret ever since he lost his biological daughter many years ago. After learning of her whereabouts, he puts business aside and goes to her school, only to accidentally be hired by Xiaomi, an orphan, to play her “dad” at a parent-teacher meeting. As they spend time together, Jiang Chen gradually comes to understand and accept Xiaomi. But fate takes a cruel turn when Xiaomi is adopted by her cousin Jiang Yu and his wife, Su Yuqing, who nearly exploit her to obtain a bone marrow transplant. Jiang Chen donates blood to save Xiaomi, but becomes entangled in the couple's scheme and nearly loses her. After a series of twists and turns, Jiang Chen uncovers the truth, drives away the impostors, and reconciles with Xiaomi.