Six strangers wake up trapped inside a shifting maze of identical cube-shaped rooms, and every door they open might be the one lined with a fatal trap.

What is Cube about?

Cube follows a group with no memory of how they arrived in an industrial labyrinth built from stacked, interlocking chambers. Some rooms are safe to cross; others are rigged with mechanisms that kill on contact, and the six have no map, no explanation, and no way out except through each other. As they move deeper into the structure, differences in temperament and skill start to matter more than luck: one member reads patterns in the room numbers, another has the physical nerve to test a trap before anyone else has to, and trust becomes as scarce a resource as time. The film is a Japanese-language reworking of the claustrophobic puzzle-box premise, restaging the original concept of geometry as horror with a new cast and setting. Every choice, from which door to open to whom to follow, carries a cost, and the group's odds shrink each time cooperation breaks down.

About the cast

The ensemble is led by Masaki Okada and Takumi Saitoh, with Masaki Suda, Hikaru Tashiro, Anne Watanabe and Kôtarô Yoshida rounding out the six strangers. Director Yasuhiko Shimizu keeps the cast confined to variations on the same bare set for nearly the entire runtime, which puts the weight of the film on how each performer communicates fear, calculation and fatigue with limited room to move.

Context & significance

Cube belongs to a lineage of single-location survival thrillers where the setting itself is the antagonist rather than any one villain. The premise strips its characters of backstory and forces them to reveal who they are through decisions made under pressure, a structure that has proven durable enough to travel across languages and decades. Running a lean 109 minutes, the film favors momentum over exposition, and the mystery of who built the maze and why is left to simmer alongside the more immediate question of how to survive it. That patience with atmosphere over answers is part of what keeps the genre's fans returning to the concept again and again.

Watching Cube on Ktime

Cube streams on K-Time with a free account login, and the Japanese dialogue is available with Persian dubbing as well as Persian subtitles, so viewers can choose whichever suits them. The platform's Farsi-first interface makes it easy for Persian-speaking audiences abroad to find genre titles like this one alongside the rest of the catalogue.