Su Muyan, the illegitimate daughter who was born into a family of civil servants but was not favored, was forced to replace her favored concubine in marrying Marshal Xiao Mad, the "god of war" whose legs were disabled due to being framed by an adulterer and fell from the altar. The outside world thought that she would fall into hell from then on, but who knew that Su Muyan was not as weak as she appeared. In fact, she had a lost military heritage and was proficient in medicine, military tactics, formations, and strategies.
On her wedding night, she used thunderous means to frighten the slaves and stabilize the inner house. Then, she adjusted Xiao Man's body step by step, helping him get rid of his inner demons and rekindle his fighting spirit. Inside, she outsmarted the spies sent by the royal family and the concubines with ulterior motives, and kept the marshal's mansion in perfect order; outside, she transformed into a behind-the-scenes strategist, advising Xiao Ran's old troops, winning decisive battles thousands of miles away, helping him regain military power step by step, and wash away his grievances. From the initial mutual testing to the later support of life and death, the couple joined forces and finally quelled the civil strife, resisted foreign enemies, assisted the wise king, and created an unprecedented prosperous age. Su Muyan also went from being a despised substitute bride to becoming a world-famous first-class wife and an anonymous "goddess of war" who was respected by everyone.