Yan Yan has low self-esteem and sensitivity because he can't speak, so he regards the popular idol Qi Xing as Bai Yueguang.
Qi Xing is cold and irritable due to lack of love. Because his younger brother Qi Xing is ill and returns to China to pretend to be him, he accidentally bumps into Yan Yan.
Qi Xing and Qi Xing have two extreme tempers. Yan Yan noticed it, but she didn't want to expose it.
