When my sister ran away as a teen, I thought she'd abandoned me. Years later, she invites me into her seemingly perfect, chaotic home with three kids. But beneath the surface, a dark secret, an imaginary friend, and a tragic accident hint at a chilling reality far more terrifying than I ever imagined. Can I protect this new family from the unseen hand that seems to be guiding their fate, or is Harly's game just beginning?