During one of her tests, she resorts to copying from notes, and is spotted by Gao Xiang (Bai Jingting), who is considered a wayward student.

Meanwhile, Lin Tianjiao's good friend, Lu Tiantian (Wang Herun) is courting Ou Xiaoyang (Ding Guansen).

Before leaving, him and his friends from the local auto-shop sneak into the school to paint astronomical images on the walls and ceiling of the classroom that Gao Xiang and Lin Tianjiao studied in.

From ignoring the feelings of Lu Tiantian (and her relationship with Ou Xiaoyang) and her brother, Lin Ziao; as well as her good friend, Gao Xiang.

She gave up on her mother's plan for her to study finance in Tsinghua University, and decided to follow her own dreams of pursuing astronomy.