If you love watching suspense, dark secrets, and serious plots, crime investigation dramas are always binge-worthy. From detectives to profilers, solving the conspiracies always keeps you hooked. For all the K-Dramas lovers, here are the top crime investigation Korean Dramas Of 2026.
Bloody Flower

Network: Disney+
Episodes: 8
Genre: Psychological Thriller, Crime, Drama
Cast: Ryeo Un, Sung Dong-Il, Keum Sae-Rok
Synopsis: This drama is based on the novel The Flower Of Death. Lee Woo-Gyeom (Ryeo Un) is a serial killer but has excellent medical skills. Now is also able to cure incurable diseases. Meanwhile, Park Han-Jun (Sung Dong-Il) is a lawyer who needs to save Lee Woo-Gyeom to save his sick daughter. This is one of the top crime investigation Korean dramas of 2026.
The Judge Returns

Network: MBC
Episodes: 14
Genre: Crime, Fantasy, Investigation
Cast: Ji Sung, Park Hee-Soon, Won Jin-A
Synopsis: Lee Han-Young (Ji Sung) is a very corrupt judge. He married a daughter of a large law firm and is now using his power for the gain of the firm. But when Judge Lee decides to stop the corrupt dealing, he returns to his past 10 years.
The Art Of Sarah

Network: Netflix
Episodes: 8
Genre: Thriller, Mystery, Investigation
Cast: Shin Hae-Sun, Lee Jun-Hyuk
Synopsis: This is a Netflix original drama about a woman Sarah Kim (Shin Hae-Sun) who is the president of the Asia branch for a high-end brand. Everyone knows her now but she is still a mysterious figure. Suddenly, she is identified as a victim in an unidentified murder case. This is one of the top crime investigation Korean dramas of 2026.
Undercover Miss Hong

Network: tvN, Netflix
Episodes: 16
Genre: Suspense, Investigation, Romance, Comedy, Retro
Cast: Park Shin-Hye, Ko Kyoung-Pyo, Ha Yoon-Kyung, Cho Han-Gyeol, Choi Ji-Su, Kang Chae-Young
Synopsis: Hong Keum-Bo (Park Shin-Hye) is an elite supervisor in the Financial Supervisory Service. She is in her 30’s and excellent in her work. Due to some incident, she went undercover as a 20 year old high school graduate.
Honour

Network: ENA
Episodes: 12
Genre: Law, Thriller, Investigation, Crime
Cast: Lee Na Young, Jung Eun Chae, Lee Chung Ah, Yeon Woo Jin, Seo Hyeon Woo, Choi Young Joon
Synopsis: Yun Ra Yeong (Lee Na Young), Kang Shin Jae (Jung Eun Chae) and Hwang Hyeon Jin (Lee Chung Ah) have been friends for about two decades. They studied together at the university and now they all are working as lawyers at L&J Law Firm. This law firm is known particularly in defending female crime victims.
Idol I

Network: ENA, Netflix
Episodes: 12
Genre: Crime, Suspense, Investigation, Romance
Cast: Sooyoung, Kim Jae-Young, Jeong Jae-Kwang, Choi Hee-Jin, Kim Hyun-Jin
Synopsis: Maeng Se-Na (Sooyoung) is a famous criminal lawyer. She is a star lawyer with a 100% success rate. She has a cold personality towards others, but secretly, she is a fan of the idol Do Ra-Ik (Kim Jae-Young). Their paths cross as Bo Ra-Ik becomes a murder suspect.
These are some of the best crime investigation Korean dramas 2026. Please visit our website for more Korean drama recommendations.
