Overview
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.
| Actor | Age then | Age now | |
|---|---|---|---|
 | 29 | 47 | |
 | 28 | 46 | |
 | 25 | 43 | |
 | 37 | 55 | |
 | - | - | |
 | 37 | 55 | |
 | 40 | 58 | |
 | 8 | 25 |