Ling Xiao, CEO of the Ling Group, prepares gold bars and a black card with no spending limit before returning to his hometown to find his family. However, he loses his memory in a car accident along the way and becomes a simple-minded younger brother. His second older sister, Ling Guilan, defies their eldest sister's objections and chooses to divide the family property, taking only the old family home and her younger brother. Ling Xiao is mistaken for a beggar, nearly forced into an arranged marriage, and humiliated by his coworkers. His assistant, Fu Qiao, finally tracks him down and pretends to be his girlfriend. Later, Ling Xiao hits his head and regains his memories. He secretly tests his eldest sister and exposes her greed. Revealing his identity as a CEO, he rewards his second sister, brother-in-law, and coworkers, and eventually marries Fu Qiao.