When Heather discovers her teenage daughter, Ally, is missing, she immediately goes to the police. The police find Ally’s belongings by a river and presume she has drowned. Determined to prove her daughter is alive, Heather begins going through Ally’s possessions and uncovers Ally’s odd friendship with a group of troubled teens at a nearby youth center led by a man named Bridger. Heather leans on her trusted friend and minister, Jack, during this ordeal. As Heather struggles to find anything about this mysterious youth center, she finally catches a glimpse of Ally. At first elated to have found her daughter, Heather soon learns her daughter seems to have joined a cult. Desperate to save Ally, Heather breaks into the youth center only to realize she might be the one who needs saving.