How a 2009 horror film turned the myth of Sisyphus into a time-loop nightmare.

How a 2009 horror film turned the myth of Sisyphus into a time-loop nightmare.
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In short: Triangle, a psychological horror film directed by Christopher Smith, traps its protagonist in a relentless, cyclical nightmare aboard a derelict ocean liner. Drawing inspiration from Greek mythology and classic cinema, the film explores the crushing weight of regret through a narrative structure that refuses to let its lead character escape.

The film follows Jess, a single mother who joins friends on a boating trip that ends in disaster after a storm capsizes their vessel. The survivors board the Aeolus, a seemingly deserted ocean liner where Jess experiences intense déjà vu. As the group is picked off by a masked assailant, Jess discovers that she is trapped in a temporal loop, forced to relive the same sequence of events repeatedly. The screenplay is explicitly modeled on the myth of Sisyphus, the Greek figure condemned to push a boulder up a hill for eternity, only for it to roll back down each time.

Director Christopher Smith developed the project with a clear vision for a cyclical narrative, citing influences as diverse as The Twilight Zone, Memento, and the final sequence of Back to the Future. Smith aimed to explore the concept of déjà vu while avoiding the tropes seen in films like Jacob's Ladder. In a 2024 interview, he noted that the core theme of the film is the inability to change past actions, framing the horror not just in the violence, but in the inescapable nature of regret.

Production was a British-Australian co-production, financed in part by £1.6 million from the UK Film Council’s National Lottery fund. Although the story is set in Miami, Florida, the film was shot in Queensland, Australia. Smith insisted on constructing a physical set for the ship's exterior to minimize reliance on green screens, while drawing visual inspiration from The Shining for the interior aesthetic. Upon its 2009 release, the film earned generally positive reviews, with critics praising Melissa George’s performance and the film's complex, Möbius strip-like construction, even as some reviewers found the plot more intellectually puzzling than frightening.

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