Overview
Song-young and Song-mi are sisters who came all the way from Seoul to celebrate their mother’s birthday. While spending the happiest moment in the world, Yoo Jae-ma, a notorious serial killer on the loose drops in. However the girls and their mother find out the truth behind his murders.
| Actor | Age then | Age now | |
|---|---|---|---|
 | 26 | 33 | |
 | 23 | 31 | |
 | - | - | |
| - | - | |
 | 28 | 36 | |
 | 35 | 43 |