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.
A hung-over Regan pulls local Lothario Lukey Sparrow for his part in the thef...