Due to the Korean family education culture, tuition fees have become a major expense for ordinary families. Dong En, played by Song Hye Kyo Jing, has been a family teacher since he went to college.

The story of "Dark Glory" begins with a protracted school violence: in high school, Wen Dongen, the heroine played by Song Hye Kyo, was frequently bullied by Park, Li Sarah, Quan Zaijun and others on campus.