Signal

Series Similar to Signal

If you enjoyed Signal, these series share similar themes, tone, and quality. Each recommendation is scored on genre overlap, tonal match, and critical acclaim.

1. Tunnel

   2017 · Crime, Fantasy, Thriller · ended

   Recommended for similar Crime / Thriller profile, highly rated (8), hidden gem.

   In 1986, Park Kwang Ho works an excellent and enthusiastic detective. To save his daughter, he travels in time to the present day. Wherever he goes, he causes trouble and creates problems, but his antics are funny and bizarre because he is an old-fashioned detective from the past trying to adjust to life in modern day.

2. Psychopath Diary

   2019 · Drama, Crime, Thriller · ended

   Recommended for similar Crime / Thriller profile, highly rated (8), hidden gem, also on tvN.

   Psychopath Diary is about a man named Yook Dong Shik, who coincidentally witnesses a murder and loses his memory after an accident that occurs while fleeing the scene. He wakes up with no sense of identity and mistakes himself as the killer when he finds the murderer's diary in his hands.

3. Beyond Evil

   2021 · Drama, Crime, Thriller · ended

   Recommended for similar Crime / Thriller profile.

   Beyond Evil will tell the story of two fearless men who are willing to go through extreme lengths in their pursuit of a returning serial killer. In the course of uncovering the murderer's identity, the two are forced to look deeper than what the evidence seems to suggest and constantly question the innocence of all the people involved in the case, including themselves.

4. Flower of Evil

   2020 · Crime, Romance, Thriller · ended

   Recommended for similar Crime / Thriller profile, highly rated (8), hidden gem, also on tvN.

   Flower of Evil is a suspenseful drama about a psychopath who changes his identity to conceal his cruel past and his homicide detective wife who tries to track down the truth. This thriller will draw the extremes of this couple, from their harmonious family life to crime scenes. 

5. Voice

   2017 · Crime, Thriller, Mystery · ended

   Recommended for similar Crime / Thriller profile, hidden gem.

   Two detectives teamed up to catch a serial killer who murdered their family. Moo Jin Hyuk's life spiraled out of control after his wife was murdered. He starts to put himself together after he meets Kang Kwon Joo, US-graduated voice-profiler, who lost her police father to the same serial killer years before.

6. Through the Darkness

   2022 · Drama, Thriller, Mystery · ended

   Recommended for similar Thriller / Mystery profile, highly rated (8), hidden gem.

   Through the Darkness is about a criminal profiler who struggles to read the minds of serial killers. Song Ha Young is a criminal profiler. He is calm and has charisma. He digs up cases and looks deeply into the human mind.

7. Mother

   2018 · Drama · ended

   Recommended for highly rated (8.5), also on tvN.

   This is the story of a woman becoming a mother. Soo Jin is a teacher at an elementary school. She plans to go abroad to study and teaching is just a temporary job. However, she notices that one of her student, Hye Na, is being abused by her mother and uncle at home. Soo Jin or the police cannot do anything because Hye Na doesn't know that she is being abused and says it's all good to people. As Soo Jin meets Ja Young and Seol Ak, the mother and uncle, she decides to save her from those horrible people. She makes an impulsive but sincere decision to become Hye Na's mother. Their story begins unexpectedly, but as Soo Jin and Hye Na start to believe and depend on each other, they become a real mother and daughter.

8. What's Wrong with Secretary Kim

   2018 · Drama, Romance · ended

   Recommended for highly rated (8), hidden gem, also on tvN.

   Lee Young's family runs a large firm in which Lee Young Joon works as vice-president. He is known to be rich, smart and handsome, but is known to be very arrogant. His secretary Kim Mi So, who works for them for many years, makes a decision which shocks him...

9. Stranger

   2017 · Crime, Mystery, Legal · ended

   Recommended for similar Crime / Mystery profile, also on tvN.

   Though he is rational, a childhood brain surgery leaves prosecutor Hwang Shi Mok to lack emotion. Cold and lonely, he's one of the only prosecutors not involved in corruption. When he meets Police Lieutenant Han Yeo Jin at a murder crime scene, they join forces to eradicate corruption at the prosecutor's office and solve a serial murder case.

10. Guardian: The Lonely and Great God

    2016 · Drama, Fantasy, Romance · ended

    Recommended for highly rated (8.1), also on tvN.

    Guardians are always whom we fear. Surely not this time. A guardian living in Seoul in 2016 is the sexiest chick magnet. More than a hundred years old in reality, he hangs out with the young. But not many people know that he is hollow inside. He has been searching for the ‘goblin bride' for decades, but she is no where to be found. Then one day, he keeps getting summoned by Eun-tak. There, he sees the Reaper, not knowing that they are to become roommates. That's where the story begins. A Goblin, trying to protect a girl who should have been dead a long time ago. A Reaper, desperately wanting to take the girl to complete his task.