Math genius Emma Payne gave birth to fraternal twins during an exam. The boy, Andy Winston, was stolen by Joyce and sold to the Winston family to avert a family disaster. Six years later, Emma joined Winston Group as a cleaner. Her daughter, Cathy Payne, had extraordinary mathematical talent, which caught Fred Winston's attention, earning her a qualification for an international competition. During the contest, Dona Shawn conspired with Joyce to frame Cathy for cheating,...