Huayueyuan is an orphan who was taken in by a noble lady named Qingtian, but was kicked out of the Qing family by this savior. Three years later, she was an honest girl with excellent grades and bad luck, but Qingtian died unexpectedly. In order to repay the life-saving grace, she must complete the unfinished tasks of Qingtian! The fight for the inheritance of the Qing family, the resolution of unjust crimes, and the search for the real prince... I can't help but fall into the happiness that belongs to Qingtian, but when the truth is revealed and Qingtian returns, what will be the fate of Huayueyuan? Is it really easy to give up the people who love you and the people you love? Dear, please continue to smile, your smile will be my sunny day forever.