Josh Brolin demands answers from Julia Garner in a new trailer for "Weapons." The upcoming horror film is written and directed by "Barbarian" creator Zach Cregger.

When all but one child from the same class mysteriously vanish on the same night at exactly the same time, a community is left questioning who or what is behind their disappearance.

The film stars Josh Brolin, Julia Garner, Alden Ehrenreich, Austin Abrams, Cary Christopher, with Benedict Wong, and Amy Madigan.

Crew Zach Cregger ‘s Weapons trailer 2 stars Josh Brolin, Julia Garner, Alden Ehrenreich, Benedict Wong, Austin Abrams, Amy Madigan, June Diane Raphael, Whitmer Thomas, Toby Huss, and Clayton ...

Josh Brolin, Julia Garner, Alden Ehrenreich, and Austin Abrams star in Zach Cregger's 'Weapons.' Watch the new trailer.

We see a bewildered teacher (Julia Garner) being blamed for a class of missing kids, with Josh Brolin as an angry guy shouting in a meeting—as well doing what looks like some obsessive detective ...

“Why just her classroom!” Brolin’s character shouts. Julia Garner’s principal — well, she’s all thumbs. More from Deadline ...