Jiang Yu is reborn and returns to the poor and 17 years old. In his previous life, he was forced to give up his dream of ballet because of his poverty and became a substitute for Bai Yueguang, who was a scumbag rich second generation, died of domestic violence and ended in a miserable situation. Jiang Yu really doesn't want to experience the poor and miserable youth again. However, just when she was helpless, she unexpectedly discovered that her phone was also wearing it.