Instigated by a cyberbullying incident that goes viral, a brutal murder in Keystone, Michigan stirs memories of a crime spree from the town's past that has haunted some, intrigued others and maybe just spawned a new executioner. At the center of the story is a group of teenagers -- with two old friends struggling to reconnect at its heart -- who, says the network, "become lovers, enemies, suspects, targets and victims of a killer who's out for blood."
