Set in the Pacific Northwest during 1983, the story follows Red Miller and his partner, Mandy Bloom, who live a quiet and loving life in their secluded woodland cabin. Mandy, an artist with an affinity for the fantastical and macabre, captures the attention of the sadistic cult leader Jeremiah Sand. Obsessed with claiming Mandy, Jeremiah and his followers, known as the Children of the New Dawn, invade the couple's sanctuary, causing an unfathomable tragedy. This traumatic event shatters Red's world and sends him spiraling into a descent fueled by grief and an insatiable thirst for revenge.

Red embarks on a relentless, blood-soaked quest to confront the cult and their demonic biker henchmen. Armed with homemade weapons and driven by primal rage, he traverses a nightmarish landscape, encountering terrifying and surreal adversaries along the way. Each confrontation pushes him further into madness as he closes in on Jeremiah and his followers. The film explores themes of love, loss, and vengeance, creating a hallucinatory experience punctuated by moments of intense violence and dark, surreal imagery.