Xu Pan and Lu Chen have been in love for five years, unexpectedly discovering that their marital relationship was a false trap all along. Trapped in a dilemma, she learns that she is the long-lost daughter of the Chen family. After returning to the family, relying on the patents and equity she holds, Xu Pan stays true to her original aspiration, calmly handles the heavy storms brought by Lu Chen and Tang Xin, investigates step by step all the truth of the past, and guards everything that belongs to her.