Popular TV anchorwoman & late night DJ Ko Sun-young set to host her final radio program. During the show, she receives a startling text message instructing her to follow specific directions or endanger the lives of her family.
| Actor | Role |
|---|---|
 Soo AeKo Sun-young | Ko Sun-young |
 Yoo Ji-taeHan Dong-su | Han Dong-su |
 Don LeeSon Deok-tae | Son Deok-tae |
 Jeong Man-sikOh Jeong-moon | Oh Jeong-moon |
 Choi Song-hyunPark Kyeong-yang | Park Kyeong-yang |
 Kim Min-gyuYang Woo-han | Yang Woo-han |
 Shin Da-eunKo Ah-young | Ko Ah-young |
| LLee Joon-haKo Eun-soo | Ko Eun-soo |
 Choi Hee-wonKo Hyun-ji | Ko Hyun-ji |
 Cho Hyen-wooDetective Jo | Detective Jo |
 Kwak Do-wonJournalist Jang | Journalist Jang |
 Um Tae-gooDetective Uhm | Detective Uhm |
| HHong Kwang-seokDetective Hong | Detective Hong |
| CChae Hee-jaeDetective Chae | Detective Chae |
 Kim Byeong-soonBroadcasting Station Director | Broadcasting Station Director |
 Lee Sang-hongSuit Man | Suit Man |
 Song Ji-inYoung Woman | Young Woman |
 Yoon Hee-wonSenior Anchor | Senior Anchor |
 Lee Sun-juDetective | Detective |
 Kim Shin-youngNext Studio DJ | Next Studio DJ |
 HyunANext Studio Guest | Next Studio Guest |
 Nam Ji-hyunSelf | Self |
 Lee Hyun-gulKim Tae-soo | Kim Tae-soo |