Four friends. One secret. And the cult that could burn them all. High school friends Lani, Tim, Maya and Stig were inseparable until an unthinkable act shook the group. Now in their thirties, three of the friends are still close while Stig has disappeared completely, unable to face what happened in high school. With Lani's wedding fast approaching, she is determined to bring the group back together. This leads them to a spiritual retreat where Stig has been living off-the-grid, and Stig's enigmatic partner - or leader - Acharya. Is it too late to save Stig from himself? And will bringing him back into the fold threaten the silence that has been keeping them safe all these years?