Chen Yunxi was the eldest princess of the imperial court and formed the most elite Snow Dragon Cavalry unit. The eldest princess led the troops to sweep through foreign tribes and protect the safety of the imperial court. However, due to her high achievements, the emperor intends to marry the eldest princess into a foreign marriage alliance. At this point, Princess Chang became disillusioned with the imperial court and fled to a distant land, hiding her identity and opening a teahouse to rely on her daughter for survival. Marry your daughter to a handsome young man when she reaches adulthood. Princess Chang secretly found an old subordinate in the court to turn her son-in-law into a new scholar in order to give her daughter a good life. But the son-in-law, who considered himself a successful scholar, despised his wife for beating and scolding him, which led to a miscarriage. After learning the truth, Princess Chang broke into the Governor's Mansion banquet and suppressed her son-in-law and all the officials present