Su Moran met and fell in love with Mu He, the prince who was on patrol in disguise, and helped Mu He eradicate the dark forces and gain the throne. The two lived happily and were praised by the world. Later, when there was a rebellion on the border, Su Moran went on an eastern expedition and met General Chu Yunduan, and the two became close friends. At this time, the prime minister of the dynasty took the opportunity to send his daughter to the palace. In the end, he failed to alienate Su and Mu. Instead, he was executed by everyone in the family. At this time, Su Moran's reputation was much stronger than that of Mu He. This situation made Mu He very troubled. At this time, a woman appeared, as gentle as water, and Mu He became obsessed with women and did not care about political affairs. Su Moran was determined to overthrow the regime. And a secret that had been held for decades was revealed. In fact, Mu He was not from the royal family, but Su Moran was the real royal family.