Sin Eater (2026): Cast, Story and Release Details

Prepared by Movies Dock Editorial

Sin Eater is an 11-minute psychological horror short about Sam, a content moderator whose prolonged exposure to disturbing online material begins to affect their perception of reality. Written and directed by Sean Clancy, the film stars Nessa Matthews alongside Jolly Abraham, Orla Fitzgerald and others.

Sin Eater is a 2026 short film written and directed by Sean Clancy. Running for 11 minutes, it follows a content moderator whose daily exposure to the internet’s most disturbing material starts to affect life beyond the screen.

The film centers on psychological disintegration rather than a broad ensemble premise, with Nessa Matthews playing Sam. Its concise runtime suggests a tightly focused story built around the pressure of confronting disturbing content over an extended period.

Sin Eater movie details

Story without spoilers

Sam has spent years filtering some of the internet’s darkest material as a content moderator. Over time, the horrors encountered through that work begin to intrude on Sam’s reality, leading to a serious psychological unraveling. The premise places the character’s professional responsibilities and deteriorating perception at the center of the story without revealing how the situation develops.

What to expect

Sin Eater is presented as a psychological horror short with a contemporary premise rooted in online content moderation. Viewers can expect a compact, unsettling setup focused on the mental effects of repeatedly processing disturbing material. At 11 minutes, the film is structured as a brief and concentrated experience rather than a feature-length exploration.

Cast and creative team

Nessa Matthews leads the cast as Sam. Jolly Abraham plays Angela, Orla Fitzgerald plays Helen, Gus McDonagh plays Ken, John Morton plays Caleb, John Doran plays Lee and David Fennelly plays Owen. Sean Clancy serves as both director and writer.

• Nessa Matthews as Sam
• Jolly Abraham as Angela
• Orla Fitzgerald as Helen
• Gus McDonagh as Ken
• John Morton as Caleb
• John Doran as Lee
• David Fennelly as Owen

Release and production context

Sin Eater is listed as a 2026 release with a release date of August 13, 2026. It has a runtime of 11 minutes and is classified as a short film. The supplied production information does not specify a country, spoken language or production company.

Movies Dock view

With its short runtime and focus on the psychological consequences of content moderation, Sin Eater offers a tightly defined horror premise. The film’s central question is how long someone can absorb disturbing material before it begins to reshape their sense of reality.

Film data:
TMDB · IMDb