The Mu family in the east of the city is one of the most prestigious and prestigious families in the city. The head of the Mu family: Mr. Mu - Mu Guangzhao is a successful businessman who started his own business. After the first wife fell ill and died, he married another wife. The two wives gave him a total of seven sons. He was very disappointed that he did not expect his daughter and pinned his hopes on the next generation. But when the twelfth grandson was born, he was already in despair. But Huangtian paid off, and Mu Guangzhao finally waited for his beloved, Xiao Shisan of the Mu family, who later became known to outsiders as Mu Shisan and Thirteenth Lang. Although Mu Shisan is the only girl in the Mu family, her character, who grew up among brothers, can definitely handle the word "lang"... Mu Guangzhao loved the stories of the Yang family generals in the Song Dynasty very much, so he called these children "Da Lang" and "Er Lang"... "Twelve Lang". Later, for some reason, outsiders knew about it and the name became popular, becoming a unique title for the thirteen children of the Mu family...