The Cheng family has been engaged in the dyeing business for generations, and the business of the shop, the Color Square, is booming. The four sons of the Cheng family have different personalities and different qualifications and personalities. The other three sons and their wives are eyeing the family business, and a series of intrigues are staged, which makes their mother (played by Huang Shuyi) headache. The fourth son Cheng Zhixuan (played by Lin Wenlong) is very talented and later married by the emperor. His wife is the daughter of the Turpan prince, Dunzhu (played by Man Songhan). But in fact, Cheng Zhixuan has a secret affection for Zhou Mengshi, a girl who is a guest in the house. Dunzhu, who originally has no feelings for Zhixuan, takes the initiative to match her husband with Mengshi, which is ridiculous. The third son (played by Zheng Zhongji) offended the powerful and made the business of the Color Square plummet, and the family business ended. Fortunately, Dunzhu was lucky enough to get an order because of his kindness to the merchants who were robbed. The Cheng family's business is expected to recover. After the experience, everyone in the family is more harmonious. Zhixuan, who returned home after winning the first place in the high school, was very grateful to Dunzhu for the changes in his family, and they eventually became husband and wife. Dunzhu also discovered Zhixuan's true identity...