Five years ago, Lin Chao, the third son of the Lin family, was tricked by his second brother into drawing a rigged lot and forced to take the blame for his eldest brother, who had accidentally killed a creditor. After serving his prison sentence, Lin Chao exposes the truth about the false accusation in front of everyone on his eldest brother's wedding day. His eldest brother and father are arrested for covering up the crime. Entrusted by a deceased prison friend, Lin Chao takes over as chairman of Longteng Group. Disguised as a construction worker, he secretly investigates and uncovers how the general manager, Qin Hai, and his brother-in-law, Zhao Tianming, have been withholding workers' wages and embezzling company funds. He makes sure both men are brought to justice.