An 18-year-old skater boy, Cheng Fei, discovers his half-sister, He Sheng, whom he never knew, and gradually unravels a family secret that has been hidden for years.

In the late 90’s, wet-behind-the-ears Lu Youhong takes a job teaching Chinese at a remote martial arts academy. His many students could care less for academics except for Zhang Cuishan, who excels at schoolwork but hates martial arts and is bullied for it.