Four actors—Matt, Catherine, Michelle, and Chad—attend an art festival to see a low‑budget movie directed by Jett. After the screening, Jett explains his quirky budgeting choice: he kept the cast in the dark about the film’s nature until the final piece was ready, effectively using them as colleagues in a project they didn’t know they were making. The group then heads to an after party, but Matt balks at asking his old friend Jett for entry, fearing he’ll look desperate. Disappointed, they pivot to a different bar and eventually decide to retreat to Chad’s secluded cabin in the woods to draft a new project they can star in, tired of being treated as mere extras.
Once at the cabin, the mood shifts as Michelle gets drunk and goes to bed while Chad makes unwanted advances, which she rejects, insisting he’s like a brother to her. Later, Michelle rushes outside to vomit and encounters a man with a bag on his head—an unsettling moment that lingers in the air. The next morning, she wonders if it was a dream and urges the others to fuse this incident into a horror movie centered on the mysterious figure, whom she dubs “Baghead.” As the group brainstorms late into the night, Michelle drops notes begging Matt to meet her in her room. A figure wearing a bag over the head slips into her room, and at first she suspects it is Matt; fear and discomfort rise, and the intruder vanishes. Confusion erupts as Catherine accuses jealousy, while Catherine herself denies any wrongdoing and goes outside to smoke, leaving Matt to reassure Michelle that he’s not the source of her fear.
The next morning brings more tension: Chad wakes Matt and Michelle and reveals that Catherine is missing. He learns of Michelle’s advances on Matt and, upset, also leaves the cabin—only to cry out in distress moments later. Matt and Michelle discover Chad’s torn shirt in the woods and assume it’s a prank, returning to the cabin. Yet Michelle’s lingering suspicion returns when she again makes a pass at Matt; out of sympathy for Chad, Matt climbs upstairs, where he is confronted by figures with bags on their heads. The revelation hits hard: Chad and Catherine are using this setup to exact revenge for Matt and Michelle’s budding romance, turning their real-life bond into a staged nightmare.
Night falls, and the group remains on edge. They hear something outside and peek through a window, only to see their car disabled. A real Baghead emerges, prompting Matt and Chad to spring into action, but their assault is thwarted when they realize the intruder wields a knife. They flee back to the cabin, barricading themselves inside as dawn approaches.
The next day, they attempt to hike the roughly 11 miles (18 km) to the nearest freeway, hoping to reach help. The trek becomes an arduous, confusing misdirection through the woods, and they stumble upon an abandoned car. As Chad readies a window, the stalker closes in, and the chase resumes. Matt is captured and stabbed to death before the others; Catherine and Michelle reach the road and flag down a passing car, but it speeds past. A desperate Chad staggers out of the trees and is struck by a vehicle that swerves to miss the two women. The two manage to pull Chad into the truck, and Matt reappears from the woods, seemingly unharmed, while the true identity of the baghead figure is finally revealed to be Jett.
In the hospital, Chad wakes up distraught as Catherine and Michelle explain that Matt and Jett orchestrated the entire ordeal, secretly filming the friends to craft a meta‑movie. Chad demands to see Matt; upon viewing the footage, he proposes a new plan: edit the material and enter it into a film festival, confident it could become a success. The revelation reframes the entire weekend—from a night of fear to a cruel, imaginative experiment that challenges the line between reality and art, leaving the group to decide whether their harrowing experience should become a finished film or a cautionary tale about manipulation in the name of creativity.
