A Hard Day (2014)

The sanctimonious Suwon Police Officer Go Gun-soo (played by Lee Sun-kyun) is at a critical juncture in his life. His mother just passed away not long ago. The police station is under investigation by the prosecutor because he and his colleagues were suspected of taking bribes. On the way home to attend the funeral, he went too fast and... Accidentally killed someone. Gao ran left and right, exhausted from running for his life, and finally tried to hide the truth...