The Fourth-Dimensional Devil (2026): Cast, Story and Release

Prepared by Movies Dock Editorial

The Fourth-Dimensional Devil is an 11-minute mystery short set during a concert-night reunion. When Professor Ke collapses after crying out “Devil,” former student Dayung notices a coffee cup moving by itself, opening the door to an unsettling supernatural mystery.

The Fourth-Dimensional Devil is a short mystery film built around a disturbing incident at a concert-night reunion. The film follows former students gathered around renowned conductor Professor Ke, whose sudden collapse turns a familiar occasion into something deeply strange.

At just 11 minutes, the film centers its premise on a single uncanny detail: while confusion fills the hall, Dayung sees Professor Ke’s coffee cup move silently on its own. The story is presented in Mandarin and Japanese and is directed by Dayung Hsueh.

The Fourth-Dimensional Devil movie details

Story without spoilers

Former students reunite around Professor Ke, a renowned conductor, on the night of a concert. Among them is Dayung, who has left music behind. The gathering takes an alarming turn when Professor Ke cries out “Devil” and collapses.

As those present try to make sense of what has happened, Dayung notices an inexplicable movement that everyone else appears to miss. Professor Ke’s coffee cup begins moving without anyone touching it, introducing an eerie question at the heart of the film’s short, tightly focused setup.

What to expect

The supplied premise points to a compact mystery with supernatural or uncanny elements. Rather than presenting a broad plot, the film appears to concentrate on a reunion, a sudden collapse and one unsettling physical anomaly. Its 11-minute runtime suggests a concise narrative designed to establish tension quickly without revealing the explanation behind the strange event.

Cast and creative team

Dayung Hsueh directs the film and also appears in the cast. The credited writers are Kei Matsumoto and Dayung Hsueh. The cast includes Zoey, Binglu Li, Huihuang Ko, Asa Fujita, Kei Matsuoka and Ibuki Kandori, alongside Dayung Hsueh. No character names are supplied for the performers.

• Dayung Hsueh
• Zoey
• Binglu Li
• Huihuang Ko
• Asa Fujita
• Kei Matsuoka
• Ibuki Kandori

Release and production context

The Fourth-Dimensional Devil is listed as a 2026 release with a release date of August 22, 2026. It has a runtime of 11 minutes and is presented in Mandarin and Japanese. The supplied information does not identify a country or production company.

The Fourth-Dimensional Devil official trailer

Watch the official trailer on YouTube

Movies Dock view

With its brief runtime and focused premise, The Fourth-Dimensional Devil sets up a strange disruption in an otherwise familiar reunion. Viewers looking for a spoiler-free introduction can expect a compact mystery shaped by Professor Ke’s alarming outburst and the unexplained movement witnessed by Dayung.

Film data:
TMDB