“Genius Mathematician” (Isanghan naraui suhakja) is a 2022 drama film with a 7.8 rating on KinoPoisk and a 6.70 rating on IMDb. It stars Choi Min-sik, whom you may recognize from films like “Oldboy” and “I Saw the Devil.”
The main character is a brilliant mathematician from North Korea who defects to the South. In his new life, he conceals his past and can only find work as a school security guard. One day, he starts interacting with a high school student struggling with mathematics and decides to help the young man improve his knowledge.
While the plot may seem familiar, the film is indeed a strong and high-quality drama. It addresses issues within the Korean education system, friendship, conflicts between parents and children, and the politics of Korean relations and other relevant topics.