Xu Nan walked aimlessly. When she reached the intersection, she was confused and at a loss. Should she go left? Go right? Invisible prohibition signs seem to be erected in every direction. No matter where you go, you cannot predict happiness. A divorced woman born in the 1980s, after experiencing the betrayal of marriage, the bitterness of extramarital affairs and the temptation of being single, how to choose between pain and hope, find herself and realize her own value.