Qiao Xia, a breakfast stall owner, catches the attention of Qin Shifeng, chairman of the Qin Group, because of an ancestral jade lock engraved with Qin patterns. As he investigates, a shocking truth emerges: Qiao Xia is actually his biological daughter, from whom he was separated 26 years ago. It was her grandmother who broke up their relationship back then! Meanwhile, her maternal grandfather, Qiao Zhengde, was falsely accused of switching the jade materials and has endured 26 years of wrongful blame. Three jade locks conceal crucial evidence. Qiao Xia refuses to join the wealthy Qin family and only wants the case overturned. She demands a public apology from the Qin family!