Evil Wants Out! Hey, Horror fans! Check out the first chilling trailer for Lockbox, the new supernatural thriller from director Daniel Stamm (The Last Exorcism, Prey for the Devil). Written by Soren Narnia and Justin Yoffe, the film stars Carla Gugino, Lou Taylor Pucci, and Katharine Isabella in a terrifying story where grief, mystery, and evil collide.

After the death of her mother, Ellen seeks a fresh start in a quiet rural town while caring for her deeply traumatized cousin, Winthrop. But when a troubled neighbor warns that Winthrop is dangerous, unsettling events begin to unfold. As the strange occurrences escalate, Ellen finds herself fighting to protect her cousin from a sinister otherworldly force determined to claim him.

With an eerie atmosphere, unsettling imagery, and a haunting premise, Lockbox looks poised to deliver a frightening theatrical experience. Watch the first trailer now, check out the poster, and prepare for Lockbox when it arrives exclusively in theaters on July 3, 2026. The film is rated R.

Here's a look at the first trailer for Lockbox:

Lockbox (2026)

“Your cousin says you have a history of wandering after dark."

Synopsis: Seeking peace after her mother's death, Ellen retreats to a rural town and takes in her severely traumatized cousin Winthrop. Their fragile domestic balance shatters when an erratic neighbor warns that Winthrop is dangerous. As strange phenomena escalate, Ellen must put everything on the line to defend Winthrop from a dangerous otherworldly entity determined to track him down.
Release Date: July 3, 2026
Director: Daniel Stamm
Writer: oren Narnia and Justin Yoffe
Cast: Carla Gugino, Lou Taylor Pucci, and Katharine Isabella