Long Xi Dan, a young farmer in Yimeng Mountain, who went to Shanghai to work to earn money, However, Long Sheng Xing's housekeeper accidentally mistaken him for Long Di Dan, the long-lost young master of the big boss Long De Bao, and took him into the Long Mansion. Long Xi Dan was forced to pretend to be the real young master, and was named the heir to the Long family property and captain of the Long Escort Team by Long De Bao, while at the sam time, the real young master was forgotten and became a beggar on the street.