12 Season
800 Episode
Z-Cars - Season 3 Episode 20 Promise Made (1978)
It can't possibly be blackmail - the old lady seems much too innocent and can have nothing to hide. But Lynch and Graham are sure that something has happened and Barlow decides to set a trap.
- Country : United Kingdom
- Genre : Drama
- Studio : BBC One
- Director : Troy Kennedy Martin, Allan Prior
- Cast : Frank Windsor, James Ellis, Douglas Fielding