Four young girls, Gu Qingping, Yu Nian, Laifu and Bing, were born in different families. Gu Qingping resolutely went abroad and spent the remaining years obsessed with painting, Laifu was crazy about love, and Bing was constantly falling and getting up, shaking off all the injuries. The future is like a mystery and the way back is like a dream. Where did they come from and where are they going? This is a growth story about four girls in their youth, loss and pain.