Sinister follows Ellison Oswalt, a true-crime author whose career peaked years ago, as he moves his family into a house that hides a box of home movies far more disturbing than anything he set out to write about.
What is Sinister about?
Ellison Oswalt is chasing one more bestseller, and he needs the crime scene close at hand to write it. Moving into the actual house where a family was murdered, he finds a box of reels in the attic that appear to be old home movies. They are not. Each one documents a killing, staged and shot with a chilling formal patience, and each links back further than the case he came to solve. As Ellison studies the footage late at night, the timeline stretches back decades, tying his new home to a string of unsolved disappearances. His wife and children are adjusting to the move around him, unaware of what he is watching upstairs, while strange sounds and half-glimpsed figures start intruding into the family's daily routine. Director Scott Derrickson builds dread from stillness rather than jump scares for most of the runtime, letting the projector's flicker do the unsettling work. Ethan Hawke carries the film as a man whose ambition keeps him in a house he should have already left, and the mystery of who is behind the recordings, and why, tightens with every reel Ellison cannot stop watching.
About the cast
Ethan Hawke anchors the film in Ellison's mounting obsession, playing a writer whose professional hunger overrides every warning sign around him. Juliet Rylance plays his wife, caught between supporting his work and sensing something is deeply wrong with the house. Vincent D'Onofrio appears as a professor Ellison consults for expertise on the case, and James Ransone plays a local deputy quietly assisting the investigation from the sidelines. Fred Dalton Thompson, Clare Foley, and Michael Hall D'Addario round out the household and community drawn into the mystery.
Context & significance
Sinister arrived in 2012 as part of a wave of horror built around found-footage-adjacent formats, using the physical texture of Super 8 film to make its violence feel documented rather than staged. Scott Derrickson, who later moved into larger studio productions, keeps the visual language grounded in analog media, a choice that gives the film's central conceit its lasting unease. The mystery genre elements sit alongside the horror, with Ellison's investigation functioning as much like a detective story as a haunting.
Watching Sinister on Ktime
Sinister streams on K-Time with Persian dubbing, so Farsi-speaking viewers can follow Ellison's investigation without subtitles. Watching requires a free K-Time account; the film's page itself is open to browse without logging in. K-Time's Farsi-first interface is built for the Iranian diaspora watching horror and thriller titles like this one in their own language.