Black Mountain (Weevil)

Black Mountain National Park has a strange history, with missing livestock and unexplained disappearances. One case involves the Wahldrov family, whose members vanished. Cassian Wahldrov returns to Black Mountain after his autistic brother Manny goes missing. Along with his sister Mae, he searches for Manny, but their efforts are thwarted by a mysterious force that splits them apart and slowly unravels their connection.