Chief Inspector Alan Craven, along with other members of the Special Branch Department of the London Metropolitan Police, fights against crime and terrorist organizations in Britain.
General Note: Subtitled for the deaf and hard of hearing.Special feature: Interviews with George Sewell and Patrick Mower.Originally aired on television as episodes 1-13 of season 3 in 1973.
Participant or Performer Note: Paul Eddington, Patrick Mower, George Sewell.