Kai Miller learns she is the lost daughter of the Li family in Shanghai, finding her family, including adopted daughter Mia Miller and a rigid grandmother. Hot-tempered Kai sets the family straight. Mia thinks Kai will steal her fiancé, but Kai defends her, revealing his true colors. The sisters grow closer. Kai changes the grandmother's heiress training plan, winning her over. Mia's ex-fiancé returns to cause trouble. The sisters team up against the scummy ex.
