Ninth Prince Xiao Mu comes from a humble background. He spends his days raising fighting cocks, indulging in amusement, and speaking and behaving like a simpleton, making him the most overlooked prince in the eyes of the entire imperial court. Yet whenever political turmoil arises, he always manages to uncover crucial clues through seemingly ridiculous antics. Urgent reports from the border, incomplete old accounts, and a palace incident buried for many years gradually begin to connect. Is Xiao Mu merely lucky, or has he been quietly waiting for the right moment all along?