From Bai Rushui who is "as white as water" to Bai Yifei who is "no longer white", she is rolling over and over in the torrent of ideals and reality, struggling hard, and at the same time experiencing the torment of family, family, friends, friendship, society, survival and even lover and love. ; But when she finally learned from life how to balance ideals and reality, she finally changed from Bai Yifei back to her original Bai Rushui, and made the confession she should have made long ago, and gained the love and marriage she should have had long ago. It turns out that after all the journey, the return is still like water.