Jiang Ying Rui succeeds in getting rid of Meng Meng but in a peculiar fashion. The team investigates room 502, finding a baby doll and red heels. Jing Ying Rui tries to switch their room number to 502, but they put the room plate in the room next door which is a strange room that is familiar to Jiu Shi. He remembers that same room and his interaction with his best friend, though it’s hard to see the person’s face. (Source: frankly at MyDramaList)