Geng Geng (Tan Song Yun) is a normal high school student trying to find her place in the world.
Her father just remarried and she's adjusting to her new family. She's struggling with her assignments at her new prestigious high school and she's feeling quite lonely.
On the first day of school, she meets a cute boy Yu Huai (Liu Haoran) and they start off on the wrong foot but quickly he becomes one of her many new friends. She even attracts the class rebel Lu Xing He (Zhao Yan Song) and he announces his love to the world.
Daily school life becomes quite enjoyable but when school ends, will she find love with the boy she always crushed on or the one who was always there for her?
"With You" is the first installment of a youth series that includes "My Huckleberry Friends" and has been praised for it's portrayal of youth.