Lord Ning and the little prince of Mobei make a deal to murder the emperor of the Great Ming. An An accidentally runs into Mobei's military camp when she looks for her lamb. She finds out that Lord Ning is a spy of Ming. An An points out Lord Ning as the spy but is almost beheaded for it. Yi Pin comes out with a solution to save her. During the battle with Mobei, the emperor is ambushed by the little prince. But His Majesty has already informed Zi Yi to come and rescue him. Yi Pin voices out that the assassins are not people of Mobei. He suspects that they are related to the Tong Zhou Association. His Majesty sends Lord Ning to the barbarian's land, and Lord Ning is furious. (Source: Viu)