In Our Prime

Ji-woo, an outcast at a prestigious private school, meets Hak-sung, the school janitor who is actually a mathematical genius who defected from North Korea.

Cast

Choi Min-sik

Ri Hak-sung

Kim Dong-hwi

Han Ji-woo

Park Hae-joon

Ahn Gi-chul

Park Byung-eun

Kim Geun-ho

Jo Yoon-seo

Park Bo-ram