
Synopsis
Hak Sung (Choi Min Sik), a brilliant mathematician who defected from North Korea, now works as a high school security guard to keep his past hidden. When struggling student Ji Woo (Kim Dong Hee) seeks help with math, Hak Sung reluctantly agrees to tutor him. As they develop an unlikely bond, their relationship is tested by Ji Woo's school troubles and growing suspicions about Hak Sung's mysterious background. This is a 2022 South Korean movie directed by Park Dong Hoon.