30 years ago, when members of a religious cult known as Heaven's Veil take their own lives. The truth behind what really happened remains buried deep in the memory of the sole survivor, a five-year-old girl. Now as an adult she returns to the compound with a documentary crew. They soon discover something that is far more terrifying than anything they could have imagined.

• Blumhouse Productions
• Universal Pictures
• Jessica Alba
• Thomas Jane
• Lily Rabe
• Shannon Woodward
• Aleksa Palladino
• Reid Scott
• Lenny Jacobson
• Meegan Warner