Geng Geng, an underachiever, gets into Zhenhua High School accidentally, where she meets Yu Huai, a straight-A student, and becomes his deskmate. Life in Zhenhua is as distressing as Geng Geng expected – rigorous military training, heavy blow from the test, difficult courses, endless homework… At home, she still can’t catch a break with her stepmother and her son moving in. Luckily, Yu Huai brings changes to her life. Geng Geng, β (Jiang Niannian), and Jian Dan become besties. They are always together and share gossips and secret crushes. Geng Geng is no longer lonely with her besties and other friends around. However, after the college entrance exam, Yu Huai suddenly disappears…...

Based on real people and stories from all walks of life during the fight against the epidemic, the film creates a group of inspiring common heroes on the frontline through artistic processing, presents a panoramic picture of fight against the epidemic from different segments, and shows the spirit of the Chinese people's solidarity to get this through together....

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