Lu Xing was adopted by the Shen family as a child and grew up as Shen Ning's childhood sweetheart. When his biological parents took him away at eighteen, he promised to return ten years later and marry her. Ten years later, now the president of a jewelry group, Lu Xing disguises himself as a food delivery rider and returns to his hometown to test her feelings. He mistakenly encounters Shen Ning on a blind date and becomes jealous. After clearing up the misunderstanding, he stays with the Shen family to observe everyone's true intentions. On the day of Shen Wei's wedding, Lu Xing reveals his true identity, puts past grudges behind him amid everyone's astonishment, and ultimately joins hands with Shen Ning to embrace their future.