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Stephanie Clayton was thrown out by her family. She played the role of a failing student, but was secretly a world-class doctor, an arms dealer, and the head of a research institute. She saved a girl named Raegan and met her brother Waylon, a man who slowly became more than a friend. Then the Walsh family, the richest in the country, found their long-lost granddaughter was Stephanie. Back in her real family, she earned the love of her three brothers, while the foster daughter burned with envy. Stephanie joined college, continued Raegan's treatment, and crushed the Claytons with her skills and wit. From discarded girl to billion-dollar heir, she became unforgettable.