Signal (2016)


Detectives from the present and a detective from the past communicate via walkie-talkie to solve a long-time unsolved case.

Genres: Crime, Mystery, Sci-Fi & Fantasy, Drama

What to watch after Signal

• Stranger (2017) — Same subject: corruption, investigation
• Moving (2023) — Two steps away in the credits
• While You Were Sleeping (2017) — Kim Won-hae appears in both
• Healer (2014) — Same subject: suspense
• Mr. Queen (2020) — Two steps away in the credits
• Tale of the Nine Tailed (2020) — Two steps away in the credits