Shen Qinghe trained herself into a top-tier assassin to protect her mother. But upon returning, she discovers that her mother was murdered by the current wife of Shen Jianguo, the richest man in the city. Returning to the Shen family, who built their fortune by exploiting her mother's family, she faces the bullying and schemes of her hypocritical biological father, vicious stepmother, and spoiled siblings. With a ruthless heart and thunderous methods, she investigates the truth behind her mother's death while gradually tearing away the wealthy family's false facade, reclaiming everything that belongs to her mother, and making every enemy pay for their crimes.