Detectives from the present and a detective from the past communicate via walkie-talkie to solve a long-time unsolved case.
Elenco:
Lee Je-hoon
,
Kim Hye-soo
,
Cho Jin-woong
,
Jang Hyun-sung
,
Jung Hae-kyun
,
Kim Won-hae
,
Jung Han-bi
,
Lee Yoo-jun
,
Kim Min-kyu
,
Son Hyun-joo
,
E Xi-a
,
Kim Ki-chun
,
Lee Sang-yeob
,
Seo Eun-ah
,
Lee Dong-ha
,
Chani
,
Im Hwayeong
,
Choi Woo-ri
.