When one of Regan's snouts complains that his girlfriend's recent suicide was murder, the flying squad detective feels compelled to investigate. He uncovers a conspiracy that reaches the heart of the government, and finds himself fitted up, suspended and under the scrutiny of Special Branch.
John Thaw
as Detective Inspector Jack Regan
Dennis Waterman
as Detective Sergeant George Carter
Barry Foster
as Elliott McQueen
Ian Bannen
as Charles Baker, MP
Colin Welland
as Frank Chadwick
Diane Keen
as Bianca Hamilton
Lynda Bellingham
as Janice Wyatt
Brian Glover
as Mac
Michael Coles
as Johnson
Joe Melia
as Ronnie Brent
Morris Perry
as Flying Squad Cdr. Maynon
Paul Angelis
as Secret Serviceman
