The Emperor thinks that Lin Lang likes both Fang Zhu and Hai Shi, but in reality, they are both trying to figure out if she's the real Princess Lin Lang or not. Hai Shi rescues Lin Lang from falling off her horse and verifies an old scar from her childhood, while Zhe Liu and Fang Zhu have their own method. The Emperor is softening toward Ti Lan. Hai Shi and Zhuo Ying later realize that Fang Zhu has been relieved of his duties during the investigation. (Source: frankly at MyDramaList)