The play tells the story of how Mu Xiruo must keep her engagement with the Lu family in order to keep the inheritance left by her mother, while Mu Meijia tries to replace her and marry into the Lu family. Lu Qinchuan, the second son of the Lu family who has disappeared for a year, decides to work with Mu Xiruo to investigate the truth of the car accident. The two get closer and closer in the process of investigating the truth, and finally they face their true feelings and gain true love.