The Gathering of Witches - Detective Tim Coughlin starts his career in a small town and graduates to Homicide in Philadelphia. He moves to Drug and Gangs before moving on to the FBI where he was brought on as a consultant. He becomes involved with numerous cases of all varieties as special FBI agent. The Director tasked Tim in collecting young witches and warlocks from the various difficulties that they found themselves in. It is this collection of witches that is trained to meet an invasion from the fire throwing aliens, the Krill.