Signal
시그널
📺 Basic Information
| Genre | Thriller, Mystery, Investigation |
| Episodes | 16 Episodes |
| Platform | tvN / Netflix |
| Aired | January 22 - March 12, 2016 |
| Rating |
📖 Synopsis (Spoiler-Free!)
Profiler Park Hae-young discovers an old walkie-talkie that mysteriously connects him to detective Lee Jae-han from the past (year 2000)! As past and present connect through the walkie-talkie, they begin reopening cold cases. A time-slip investigation drama inspired by real cases including the Hwaseong serial murders!
👥 Main Cast & Characters
- Park Hae-young (Lee Je-hoon) - Profiler, present-day detective
- Lee Jae-han (Cho Jin-woong) - Past detective, communicates via walkie-talkie
- Cha Soo-hyun (Kim Hye-soo) - Cold case team leader
- Kim Bum-joo (Jang Hyun-sung) - Police investigation bureau chief
✨ Memorable Scenes & Quotes
Walkie-Talkie Connection (Episode 1)
"Hello? Who's there?"
Past Changes (Episode 3)
"Our times are connected"
Truth Pursuit (Episode 10)
"If we don't give up, the future can change"
Open Ending (Episode 16)
"The walkie-talkie rings again"
🎵 Original Soundtrack
- "Road" - Kim Yoon-ah (Main OST, sorrowful emotion)
- "Reminiscence" - Jang Beom-june (Connecting past and present)
- "Endlessly" - Lee Seung-yul (Suspenseful)
💭 My Review & Rating
✅ Pros
- Perfect casting and acting
- Solid screenplay
- Immersive real case inspiration
- Fresh time-slip concept
⚠️ Cons
- Open ending disappointment
- Uncertain Season 2 production
🎬 If You Liked This? 3 Similar K-Dramas
- 1. Tunnel - Time-slip investigation drama
- 2. Stranger (Forest of Secrets) - Prosecutor thriller
- 3. Voice - 112 call center investigation