Mask aren't only for killers.
Officers Cho Kyung-yoon and Park Eun-joo are on the hunt a killer following duo of ghastly murders. The victims carry a common military past, and the secret of their past must be unraveled to find the killer.
Kim Kang-woo
Kim Gyu-ri
Lee Soo-kyung
Park Won-sang
Jeon Chang-geol
Choi Deok-moon
Kim Sung-ryung
Kim Yoo-jung
Park Sang-chul
Released
ko
