Jessica is the star quantitative trader at TB Securities, but she is unjustly fired by the new male-dominated CEO, Jackson. Meanwhile, her achievements and identity are falsely claimed by her scheming colleague, Jessie. Jessie takes advantage of Jackson's misjudgment and steals Jessica's trading model, using it to frame Jessica. At the same time, William, the CEO of Charles Securities, steps in to support Jessica and hires her for his company. Jessie continues to deceive Jackson by using Jessica's model, unaware that the model has flaws. Jessica, using her expertise, redesigns and upgrades the trading model. As market volatility decreases, TB Securities faces bankruptcy due to over-leveraging and Jessie's embezzlement. In the end, Jessie is arrested for her crimes, Jackson faces the consequences of his actions, and William and Jessica join forces to acquire TB Securities. Jessica not only becomes the queen of the industry but also wins William's love, achieving both career and romantic success.