Signal

A cold case profiler and a detective from the past communicate through a mysterious walkie-talkie to solve a series of crimes. They must navigate the dangers of altering past events, facing the potential for unforeseen consequences that ripple through time. As they delve deeper, the lines between past and present blur, and they confront the ethical dilemmas of their unique partnership.

Signal (2018) was widely acclaimed by critics and audiences alike for its compelling narrative, strong performances, and masterful blend of genres. The series is often cited as a benchmark for crime thrillers with a supernatural twist, praised for its intricate plotting and suspenseful execution. Its ability to balance intricate police procedural elements with a thought-provoking exploration of time and consequence resonated deeply.

• Praised for its intricate and suspenseful plot that effectively blends crime procedural with supernatural elements.
• Lauded for the strong performances of its lead actors, particularly Kim Hye-soo and Cho Jin-woong.
• Applauded for its intelligent exploration of consequences and the ethical implications of altering past events.

Google audience: Audience reviews highlight the series' gripping storyline and the compelling chemistry between the leads. Many viewers appreciated the show's ability to maintain suspense throughout, while also offering a thought-provoking narrative. The unique premise and skillful execution were frequently mentioned as standout features.

Won numerous awards including Best Drama, Best Screenplay, and Best Actor (Cho Jin-woong) at the 52nd Baeksang Arts Awards.

The walkie-talkie used by the characters to communicate across time is a key symbol in the show, representing the connection between past and present and the potential for manipulation.