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Body horror Thinestra gets a trailer and poster

March 28, 2026 by Amie Cranswick

Following on from its acclaimed festival run, Breaking Glass Pictures has released a poster and trailer for Thinestra, the body horror from director Nathan Hertz.

The film follows Penny, a young woman struggling with body dysmorphia who begins to take a mysterious weight-loss pill which comes with terrifying consequences when the weight she sheds forms into a blood-thirsty doppelgänger.

Thinestra tells the story of Penny (Michelle Macedo), a young woman tormented by body dysmorphia and relentless societal pressures around perfection. When Penny impulsively takes a mysterious, Ozempic-esque weight-loss drug, she experiences a horrifyingly literal transformation. The fat she sheds returns as her ravenous doppelgänger, Penelope (Melissa Macedo), and chaos ensues.

Set against a sweltering Los Angeles Christmas, the film explores obsession, shame, and appetite—transforming Penny’s internal struggle into a grotesque, darkly comedic horror spectacle.

SEE ALSO: Read our ★★★★ review of Thinestra here

Thinestra is set for for release on April 14th.

 

Filed Under: Amie Cranswick, Movies, News, Trailers Tagged With: Melissa Macedo, Michelle Macedo, Nathan Hertz, Thinestra

About Amie Cranswick

Amie Cranswick is Executive Editor of Flickering Myth, responsible for overseeing editorial coverage across film, television and pop culture.

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