Sent to investigate the massacre of 20 soldiers in a demilitarized zone, a sergeant arrives to find one of his men covered in blood and holding an ax. Seong-hwan Koo, Young-hoon Lee, Byeong-cheol Do, Jeong-heon Lee, Kyu-hwan Choi, Byeong-cheol Kim, Hyun-jae Jo, Sung-bum Kim, Jin-woong Cho, Ho-jin Chun, Hyun-jae Cho, Kyoo-Hwan Choi Added on Netflix 2021-08-30. Youtube Trailer