When Jill and her two best friends go on a vacation and shopping trip to London, they run smack into a serial murder spree. As usual, she get into trouble because her brain just will not rest. Then to make things even worse, she runs into a killer that eluded her in Los Angeles. All of that and a young "Bobby" that takes an interest in the "Americans". "Get your Deerstalker Hat, Pipe and a sharp long knife" and join in the chase.