Gu Xuejiao (played by Sun Zhenni) was reborn in the third year of high school with the regrets of his previous life. In order to make up for the regrets of his life, he decided to turn a love brain into a career brain, and leverage the help of the high-tech academic master Lin Zhihua (played by Chen Jingke) to change his life and achieve a sweet love that goes in two directions and is a variable of each other.Their friends Yi Tianyu (played by Yuan Dasen), Zhou Shiyun (played by Tu Zhiying), Gu Mingze (played by Wu Chongxuan), Gao Rui (played by Ge Qiugu), Lin Zhiyue (played by Tian Yitong), Lin Jiadong (played by Kuai Jiale), Sun Tiantian (played by Zhang Zhang) and others also staged their life stories that were very different from those in the past.