Harbin Under the Nightfall, Episode 16, Watch Online. Introduction to the Subplot of Harbin Under the Nightfall, Episode 16: Yuzhi Xiong yi and Xiaoyuan sit together, the two of them deceive Xiaochao, asking about Guan Jingxian, and inquire who Uncle Wang is. Xiaochao refuses to speak, then Xiaoyuan takes Xiaochao to see Li Hanchao.