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.
In Our Prime is a 2022 South Korean drama film directed by Park Dong-hoon, starring Choi Min-sik, Kim Dong-hwi, Park Byung-eun, Park Hae-joon and Jo Yun-seo. It revolves around two people: a genius mathematician with a hidden past and a student who is failing math. The film was released theatrically on March 9, 2022.