Regan and Carter meet Freeth, a detective sergeant from Strathclyde who has come to London to arrest a group of kidnappers. However, has Freeth withheld too much information and can they capture the men in time?
Nick finds himself in the midst of feuding mods and rockers in Whitby, while a gold hunt is triggered when part of a robbery haul surfaces in the village.
When Arthur's brother-in-law Brian suffers from a bout of depression, Arthur spots a way to make a bit of money at Brian's expense.