Signal 8/10 Save Favourite 0 saved tvN To Be Determined Crime Thriller Mystery 1 Season · 16 Episodes · Premiered January 22, 2016 Detectives from the present and a detective from the past communicate via walkie-talkie to solve a long-time unsolved case. Where to Watch: tvN Official Site Next Air Time: No upcoming air date Seasons & Episodes Season 1 16 episodes 2016 Cast Lee Je Hoon as Park Hae Young Kim Hye Soo as Cha Soo Hyun Jo Jin Woong as Lee Jae Han View all 3 cast members → Related Shows Rectify SundanceTV Death Note NTV Scorpion CBS Orange Is the New Black Netflix Gotham FOX Weeds Paramount+ with Showtime More on tvN Cheese in the Trap ★ 7.5 User Reviews Rate this show Your star rating (required) ★ ★ ★ ★ ★ Submit Review
