Diary of a Murderer

Kim Byeongsu is losing his mind. Quite literally. He keeps forgetting the little things in life, like basic words, whether or not he has a dog, the last time he killed someone... In his prime, Byeongsu was one of the best murderers around, spending years obsessively trying to perfect his technique, only killing in the pursuit of artistry. And then he gave it all up to be a dedicated father to hi...