Weapons' first full-length trailer introduces Julia Garner as an elementary school teacher whose entire class abruptly goes missing.

So what exactly happened in the town of Maybrook? Watch the official trailer for Zach Cregger's new film 'Weapons'.

Zach Cregger follows up Barbarian with Weapons, a new thriller that promises to get deep under your skin by returning to a classic horror image: creepy kids.