Commander Lan Zhenting guards the important town in the south of the Yangtze River, making friends with various parties on the surface, and secretly using the Shengping Theater Troupe to pass on information; the famous actor Shen Yuejiao is his trained informant and lover, and the two maintain a dangerous ambiguity; at a meeting held for the Beiyang special envoy, Lan Zhenting planned to use "The Empty City Strategy" to trap Sun He was a spy, but he was almost betrayed because of the betrayal of his deputy, Adjutant Chen; Shen Yuejiao changed to singing a code word to save the situation on stage, exposing the relationship between the two; Adjutant Chen left a copper key before fleeing, suggesting that there was still a mole in the troupe; Lan Zhenting traced and found that Xiao Qiu, the daughter of the old stage leader, had an affair with Adjutant Chen, and held There is a key that can open the old costume box that contains the secret edict of the previous dynasty; Japanese spies, Beiyang spies, and local powerful men all compete for the box; in order to stabilize the situation, Lan Zhenting lets Shen Yuejiao pretend to be the commander's wife. The two pretend to be the wife of the commander, but they have their own agendas; the secret edict reveals that Lan Zhenting is the orphan of the previous dynasty. , His father was the mainstay of the theatrical troupe, but was silenced; Shen Yuejiao's father was an informer back then, and the two families had a blood feud; Lan Zhenting struggled between revenge and love; in the end, he burned the secret edict in "The Story of Burning Incense", put down his hatred, and walked away from Shen Yuejiao; but the undercurrent has not subsided, and new forces have targeted them.
