Jack Regan and George Carter are hard-edged detectives in the Flying Squad of London's Metropolitan Police (called "the Sweeney" from the Cockney rhyming slang "Sweeney Todd" = "Flying Squad"). They pursue villains by methods which are underhanded and often illegal, frequently violent and - more often than not - successful.
Giles Nunn and Carrie Selhurst are an upper crust couple who, partly for kick...