As Cheng Feng departs for Jieshou with Cui Lin in tow, Li Ni arrives to save the day. However, he is absent from the court when news arrives that Jieshuo has taken over Baishui Pass, making his father upset. As General Cui Yi heads to battle Jieshuo, the Emperor commands Li Ni to attack the remaining Cui army in Dongdu to reclaim it. Li Ni finally reveals his hesitation in becoming Crown Prince. (Source: frankly at MyDramaList)