Dementium

Dementium (2026) is a dark, unsettling mystery thriller that blends psychological suspense, supernatural visions, family secrets, and a desperate search for the truth. Directed by Mark Wilson Sunderland, this independent thriller follows Wyatt Bailey, a troubled man who retreats to a secluded cabin on a small Christmas tree farm with one overwhelming mission: to discover who murdered his mother. However, his search for answers takes a disturbing turn when his father, the person most likely to know the truth, is found dead and wrapped in plastic in the trunk of Wyatt's car. With grief, suspicion, and unanswered questions consuming his mind, Wyatt turns to an extraordinary and dangerous method to confront the past. Dementium (2026) creates an atmosphere of mystery and dread, drawing viewers into a story where the boundaries between reality, memory, and terrifying hallucinations become increasingly difficult to distinguish.

At the heart of the Dementium movie is Wyatt's desperate decision to take DMT in an attempt to communicate with his deceased father and discover whether he was responsible for his mother's murder. What follows is a disturbing psychological journey filled with strange encounters, haunting memories, and visions that challenge Wyatt's understanding of his own life. His former girlfriend, Cora Roberts, emerges in his visions, offering glimpses of love, hope, and redemption while drawing him back toward memories of their relationship. At the same time, a menacing witch represents a darker force, pushing him toward fear, violence, and despair. As Wyatt struggles to separate what he wants to believe from what might actually be true, the film explores grief, guilt, trauma, fractured family relationships, and the destructive consequences of unresolved secrets. Rather than relying solely on conventional horror elements, this 2026 mystery thriller builds its tension around the psychological consequences of a man willing to risk everything for one final answer.

The film stars Michael Aaron Milligan as Wyatt Bailey, alongside Karynn Moore as Cora Roberts and Doug Dawson in a role associated with the film's unsettling supernatural imagery. The supporting cast includes Kristen DeVore Rakes as Ashlyn Bedford, Adam Boyer as Jeffery Bailey, Dani Deetté as Violet, Andrew Hunter as Officer Wainwright, Alexa Rachelle Jennings as Officer Bishop, J.J. Madaris as Detective Cratchett, Muretta Moss as Willow Bailey, and Luke Speakman as Young Wyatt. Directed by Mark Wilson Sunderland and written by Clayton Thompson, Mark Wilson Sunderland, and Kyle Sunderland, Dementium brings together an independent filmmaking approach and an unconventional thriller premise. Its secluded setting, disturbing imagery, hallucinatory sequences, and emotionally charged mystery make it a compelling option for viewers interested in psychological thrillers, dark mysteries, supernatural suspense, and stories that examine the fragile relationship between truth and perception.

Released in the United States on August 18, 2026, Dementium is an English-language mystery thriller with a reported runtime of approximately 91 minutes. Also known as Ebenezer Falls, the film explores how grief and the need for closure can push someone into increasingly dangerous territory. Its central mystery—whether Wyatt's father murdered his mother—provides the foundation for a tense narrative involving death, altered perception, disturbing visions, and the possibility of redemption. For viewers searching for Dementium (2026) full movie information, cast details, plot summaries, release information, or a dark psychological thriller with supernatural and hallucinatory elements, this film offers a distinctive premise that combines a family murder mystery with an unsettling journey into the human mind. If you enjoy independent mystery films, psychological suspense, dark thrillers, and stories where confronting the past may be more terrifying than living with unanswered questions, Dementium (2026) is a title worth exploring.