Detective, Mystery, Psychological, and Thriller K-dramas to have on your watchlist — a thread;

Drama: Signal (tvN / 2016)
Episodes: 16

Drama: Voice (OCN / 2017)
Episodes: 16
Drama: Voice 2 (OCN / 2018)
Episodes: 12
Drama: Voice 3 (OCN / 2019)
Episodes: 16

Drama: Tunnel (OCN / 2017)
Episodes: 16

Drama: Queen of Mystery (KBS2 / 2017)
Episodes: 16
Drama: Queen of Mystery 2 (KBS2 / 2018)
Episodes: 16

Drama: Gabdong, the Memories of Murder (tvN / 2014)
Episodes: 20

Drama: Stranger (tvN / 2017)
Episodes: 16
Drama: Stranger Season 2 (tvN / 2020)
Release Date: 2020 --

Drama: Partners for Justice (MBC / 2018)
Episodes: 32
Drama: Partners for Justice Season 2 (MBC / 2019)
Episodes: 32

Drama: Nobody Knows (SBS / 2020)
Episodes: 16

Drama: Tell Me What You Saw (OCN / 2020)
Episodes: 16

Drama: Less than Evil (MBC / 2018)
Episodes: 32

Drama: The Guest (OCN / 2018)
Episodes: 16

Drama: Life on Mars (OCN / 2018)
Episodes: 16

Drama: Trap (OCN / 2019)
Episodes: 7

Drama: Possessed (OCN / 2019)
Episodes: 16