It tells the love story of two childhood sweethearts that spans 19 years. Chen Xiao Xi is a cute and small girl with a lot of positive energy. She gets to know Jiang Chen, a tall and proud genius boy, at school and tries everything to pursue him. The drama depicts the beautiful and pure heart throbbing love of seventeen years olds, but also delves into the topic of making mistakes and how to find back to each other again.