A killer has returned and his reign of terror has only just begun. An unstoppable killer stalks the city, leaving a mounting body count in his wake. As panic and fear grip Pittsburgh, the FBI is brought in to assist the local police with the manhunt, hoping to prevent further bloodshed. Retired Pittsburgh K9 Handler Maddie Castle is pulled into the manhunt. She has experienced the killer's deadly handiwork firsthand. He left her crippled in body and...