Cruel Winter Blues (2006)

A small-time crook, Jae-moon goes after the man who killed his mentor a few years earlier. Jae-moon meets Chi-gook, a retired taekwondo practitioner who becomes his partner and goes to the killer Dae-sik's hometown. Chi-gook and Jae-moon devise a plan to kill Dae-sik, but as the day of reckoning approaches, Jae-moon meets Dae-sik's mother, Jeom-sim, who reminds him of his hometown. As he sees Jeon-sim worrying over her son, he can't proceed to kill him. However, the encounter of Dae-sik and Jae-moon takes places on the village's field day.