Beware Boiuna Synopsis:
A group of young medical volunteers on a humanitarian mission deep along the isolated Curuçá River in the Amazon, whose presence inadvertently awakens Boiuna, a colossal, territorial super-predator. Stranded deep within the rainforest without communications or a way out, the remaining doctors are forced into a desperate fight for survival, navigating treacherous jungle terrain and deadly waters while being relentlessly hunted by an apex creature determined to reclaim its ancient domain.
Genre: Horror, Thriller
Release Date: In theaters October 2nd, 2026

Beware Boiuna Fun Facts: They Know Exactly How To Deliver High-Octane Action, Intense Creature Feature Scares, And Dark, Atmospheric Thrillers
Based on Deep Amazonian Lore:
The terrifying creature at the center of the movie Beware Boiuna is not just a Hollywood creation; it comes straight from ancient Indigenous Brazilian folklore.
Known as the Boiuna (which translates to "Big Snake" or Cobra Grande in Tupi-Guarani mythology), this legend tells of a colossal, dark, mystical serpent that slithers through the deepest, murky waters of the Amazon River basin. According to tradition, the Boiuna is far more than a giant predator. It acts as a powerful, ancient guardian of the rainforest, brutally defending the sacred land and its wildlife from human intrusion, greed, and destruction.
In traditional tales, this mythical beast possesses shape-shifting powers, terrifying glowing eyes, and the ability to swallow entire boats or mimic the appearance of a passing ship to lure unsuspecting travelers into the deep.
Scream Queens Team Up:
Happy Death Day star Jessica Rothe and Fear Street favorite Kiana Madeira team up on screen in this film Beware Boiuna, bringing together two of modern horror's biggest fan favorites.
The duo plays part of a humanitarian medical team traveling deep into the Amazon rainforest. What starts out as a routine mission takes a terrifying turn when their presence unwittingly awakens Boiuna, a legendary, colossal serpent from Brazilian folklore. Trapped in an unforgiving environment with a relentless ancient predator on the hunt, the team must use their medical expertise and survival instincts to stay alive.
Shot in Real Jungle Terrain:
To give the movie Beware Boiuna an authentic and immersive feel, the filmmakers shot main scenes on location deep within the Amazon rainforest.
Filming took place near the Amazon River surrounding Leticia, Colombia, a remote port city located right at the border where Colombia, Brazil, and Peru meet. Working in such an isolated, dense jungle environment brought stunning real-world visuals to the screen, but it also presented massive logistical challenges for the production team.
Filming in a real rainforest meant the cast and crew were exposed to actual jungle dangers every single day. The production had to hire professional animal wranglers to stay on set around the clock. These experts constantly swept the filming locations to monitor, safely handle, and relocate native wildlife, ensuring everyone stayed safe while capturing the raw intensity of the wilderness.
Produced by Action & Horror Heavyweights:
This film, Beware Boiuna, is produced by Robert Kulzer and Jeremy Bolt, a dynamic filmmaking duo best known for building one of the most successful video game adaptation franchises in cinema history: the live-action Resident Evil movies.
Together, Kulzer and Bolt spent over two decades crafting the Resident Evil saga, turning a hit survival-horror game into a multi-billion-dollar global film empire. Their track record proves they know exactly how to deliver high-octane action, intense creature feature scares, and dark, atmospheric thrillers that keep audiences on the edge of their seats.
Reuniting for this latest project, the veteran producing team brings decades of experience in blockbuster world-building and creature design. For moviegoers, their involvement ensures that the film Beware Boiuna will deliver cinematic spectacle, relentless pacing, and top-tier visual effects.