While evading the pursuit of loan sharks, Song Fang is forced to separate from his five-year-old mute daughter, Xiao Taoyao, who suffers from a heart condition. The father and daughter are separated, with only the copper coins tied to their hands as a clue. Fifteen years later, Song Fang, who was left disabled during the chase, becomes the wealthiest man, yet he is still deeply concerned about his lost daughter.
