Season One

Frank Black has left the FBI and is now a consultant with a group called Millennium. Having moved his family to Seattle, to escape a stalker Frank reunites with old friend Bob Bletcher. The stalker follows them.

Season Two

Frank, continuing his work for the group, begins to butt heads with the more supernatural. He uncovers the real Millennium group. A secret society with "centuries old origins."

Season Three

Frank fed up with the secrets of the Millennium group, and blaming the group for the dearh of his wife, moves to Washington and joins the FBI. The Group turns his partner against him and Frank is forced to leave the FBI.

Virtual Season Four

The story, continued by fans online, has Frank now a private consultant living in Maryland.