To pay for her seriously ill mother's medical bills, the female lead was forced to be a surrogate for her infernal, vicious stepsister who couldn't have children. After giving birth to the heir of a billion-dollar conglomerate, she was silenced to cover up the truth. Five years later, she returns as a top-tier venture capital tycoon—determined not only to ruin the stepsister who abused her son, but also to reclaim custody of her child!