Sapiens (2026): Cast, Story and Release Details

Prepared by Movies Dock Editorial

Sapiens is a South Korean thriller centered on Na Do-han, a man with Dissociative Identity Disorder whose four identities may hold the key to a dangerous mystery. After waking in a motel with blood on his hands, he becomes linked to a missing corporate heir and pursued by a lawyer.

Sapiens is a 2026 South Korean thriller built around fractured identity, a disturbing mystery and the pressure of being treated as a suspect. The story follows Na Do-han, who shares one body with four distinct identities, after he wakes in a motel under alarming circumstances.

With a corporate heir missing and a determined lawyer following his trail, Do-han has to investigate the people living within him. The film is directed by Lee Hu-bin and written by Lee Su-jin, with Jung Sung-il in the central role.

Sapiens movie details

Story without spoilers

Na Do-han wakes at dawn in a motel with blood-soaked hands and a single warning written on the mirror: “Run!” The situation becomes even more serious when he is connected to the disappearance of a wealthy corporate heir and identified as the prime suspect.

Do-han lives with Dissociative Identity Disorder and shares his body with four different identities. As corporate lawyer Seo Hee-jae pursues him, Do-han must question each identity and uncover the secrets they are keeping. The premise places the investigation inside his own divided consciousness as well as in the outside world.

What to expect

Sapiens is presented as a thriller focused on suspicion, pursuit and the uncertainty created by conflicting identities. Its central mystery involves a blood-stained motel awakening, a missing corporate heir and four identities that may each possess important information.

The premise suggests a contained, psychologically oriented investigation rather than a straightforward police procedural. Viewers can expect the story to revolve around questions of memory, responsibility and hidden information, while avoiding any conclusions about the film’s execution or ending.

Cast and creative team

Jung Sung-il plays Na Do-han, the man at the center of the mystery. Yoo Jae-myung portrays Seo Hee-jae, the corporate lawyer pursuing him. Ryu Hyun-kyung and Park Myung-hoon are also part of the cast, though character details are not supplied.

Lee Hu-bin directs Sapiens, from a screenplay by Lee Su-jin.

• Jung Sung-il as Na Do-han
• Yoo Jae-myung as Seo Hee-jae
• Ryu Hyun-kyung
• Park Myung-hoon

Release and production context

Sapiens is a 2026 film from South Korea, spoken in Korean. It has a listed release date of October 7, 2026, and a runtime of 1 hour 37 minutes. The production companies are Twinfilm, LOA & CO HOLDINGS and Paperlit Studios. The film is classified as a thriller.

Production companies: Twinfilm, LOA & CO HOLDINGS, Paperlit Studios

Movies Dock view

With its divided-identity premise and immediate mystery, Sapiens sets up a story in which the central character must investigate his own conflicting identities while trying to understand his connection to a disappearance. Its 97-minute runtime gives the film a focused framework for that thriller setup.

Film data:
TMDB