1x44 - The Long Ballad

Chang Ge is brought to a cabin in the west suburbs by the attendant of the crown prince, Sheng Xin. It turns out that Sheng Xin is a spy sent by Yicheng. Mimi and Ashina Sun stage an act in order for Mimi to approach Young Khan and obtain information from him. In the end, Mimi finds out Chang Ge's whereabouts while Ashina Sun reaches in time to rescue Chang Ge. However, in the process, Ashina Sun has to kill Sheng Xin. The crown prince is furious upon learning Sheng Xin's death and he is determined to find out the murderer.