Special forces commander Ning Chen time-travels to become an abused illegitimate son in the Ministry of Rites mansion of the Great Xuan Dynasty. Facing the cold glares and oppression of the Ning family, he launches a strong counterattack with peerless poetic talent and modern strategy. Selling poems at the Scholar Tower, Ning Chen encounters the Xuan Emperor and Old General Chen who are traveling in disguise. Astonishing the emperor with 'Drunk, I Look at My Sword by Lamplight' and three border defense plans, he is appointed as a Silver-robed Inspector of the Inspection Department. During his case investigations, seeing the tragic state of the people in Nanzhou, to save the common people he furiously executes the imperial uncle who has been plaguing the region, causing a shock through the court and field. In the trial at the Golden Luan Hall, Ning Chen turns misfortune into a danger averted using ironclad evidence and debating officials, and is permitted to go to the border to redeem himself through meritorious service. On the eve of his expedition, he successfully creates the cross-era ultimate weapon, the 'flintlock musket'.