Bai Gu Yi gets a echo stone and sees Yu Ying Nan's memories. A Tu tries to kill Yu Ying Nan and she wants to destroy everyone. She promises not to destroy them if Yu Ying Qi goes with her somewhere. She wants him to be his old self for one day. Yu Ying Qi gets drunk and Yu Ying Nan learns the truth after talking to Xiao Yue. Yu Ying Nan confronts Yu Ying Qi about the truth and he reveals his true feelings. (Source: jindreame at MyDramaList)