After trying to cover up a car accident that left a man dead, a crooked homicide detective is stalked by a mysterious man claiming to have witnessed the event.
A Hard Day is a 2014 South Korean action thriller film written and directed by Kim Seong-hun, and starring Lee Sun-kyun and Cho Jin-woong. It was selected to compete in the Directors' Fortnight section of the 2014 Cannes Film Festival.
