Nine Puzzles () is a South Korean mystery crime thriller television series written by Lee Eun-mi, directed by Yoon Jong-bin and Kim Jung-ho, and starring Kim Da-mi and Son Suk-ku. The series follows a ten-year-old cold case that involves a new string of baffling murders, all related to mysterious puzzles. It was released on Disney+ on May 21, 2025.
Synopsis As a high school student, Yoon E-na discovered her murdered uncle's body, with a peculiar puzzle piece found at the scene. As the only eyewitness, she found herself unable to recall how she ended up there, making her the primary suspect in the eyes of Detective Kim Han-saem. A decade later, E-na has become an exceptional criminal profiler, working for the Seoul Metropolitan Police Agency's criminal analysis team. However, she is still tormented by the unresolved murder of her uncle. A new wave of serial killings surfaces, each one accompanied by identical enigmatic puzzle pieces, echoing the incident that transformed her life. This prompts E-na to collaborate with Han-saem once more, who, despite their tense partnership, still carries doubts regarding her role in her uncle's murder case.
Cast and characters Main Kim Da-mi as Yoon E-na A criminal profiler, working for the Seoul Metropolitan Police Agency's criminal analysis team. Son Suk-ku as Kim Han-saem
Supporting Park Gyu-young as Lee Seung-joo A psychiatrist doctor therapist at Sunshine Mental Health Clinic Roh Jae-won as Hwang In-chan Director at Sunshine Mental Health Medicine Kim Sung-kyun as Yang Jung-ho Captain of Violent Crimes Unit 2 at Hangang Police Station. Hyun Bong-sik as Choi San as Ro Su-gwang Kim Do-geon as one of police cadet.
Special appearances Ji Jin-hee as Yoon Dong-hoon Yoon E-na's uncle and a former superintendent officer. He was killed in the beginning and his niece has been trying to uncover his death ever since. Park Sung-woong as Kwon Sang-beom Hwang Jung-min as Oh Cheol-jin Kim Ye-won as Lee Mi-young Lee Hee-joon as Kang Chi-mok Lee Sung-min as Do Yoon-su
Production Development The series is directed by Yoon Jong-bin, who helmed and produced Nameless Gangster: Rules of the Time (2012), Kundo: Age of the Rampant (2014), The Spy Gone North (2018), and Narco-Saints (2022), written by Lee Eun-mi, who wrote Tunnel (2017) and Navillera (2021), and produced by Kakao Entertainment and Moonlight Film. The total budget of the series cost billion.
Casting According to Kakao Entertainment in May 2024, Kim Da-mi and Son Suk-ku were cast to lead the series and positively considering to appear.
Release Nine Puzzles which consists of 11 episodes, premiered its first six episodes on May 21, 2025, followed by three episodes on May 28, and the last two episodes on June 4.
Reception Critical response On Rotten Tomatoes, 100% of 5 critics gave the series a positive review.
Viewership In December 2025, Disney announced that Nine Puzzles was among the most-watched international original series released on Disney+ in 2025.
Accolades Award ceremony Year Category Nominee Result Clio Entertainment Awards 2025 Motion Poster Nine Puzzles Motion Poster: Memories of the Day Global OTT Awards 2025 Best OTT Original Nine Puzzles Seoul International Drama Awards 2025 Best Actress Kim Da-mi
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