Orphan couple Bi Chenxi and Bi Yuncheng rescue Shen Juan, the young master of the Shen family, who was framed, fell into the water, and lost his memory. Shen Juan mistakenly and stubbornly believes that Bi Chenxi and Bi Yuncheng are siblings, and gives Bi Chenxi a watch to pay for Bi Yuncheng's surgery. Thus, Bi Chenxi and Bi Yuncheng pretend to be siblings and take care of Shen Juan for three years. Until today, Shen Juan remembers that he is the heir of the Shen family and leaves. He leaves a sum of money for Bi Chenxi, thinking he will never return. Little does he know, Shen Juan has already fallen in love with Bi Chenxi. Meanwhile, Bi Chenxi and Bi Yuncheng are childhood sweethearts and have long pledged their lives to each other. Shen Juan is destined to have no chance, and ultimately ends up becoming a wealth-dispensing boy for Bi Chenxi and Bi Yuncheng.