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.

"Mask aren't only for killers."

Credits

Yun-ho YangDirector

Kim Kang-wooCho Kyung-yoon

Kim Gyu-riPark Eun-joo

Lee Soo-kyungCha soo-jin

Park Won-sangDetective Kim