The Gaggle follows a group of teenage friends who face powerful supernatural forces, residing in a cursed home on Hollow Lane. As they confront their deepest and darkest memories, the friends struggle with personal grief, loss, and guilt. With newfound powers and determination, they attempt to destroy the darkness at it's source. Along the way, they have to make heartbreaking sacrifices to save the group. Despite the tragedy and the toll it takes, the friends prevail, emerging stronger and more united, though forever changed.