A well-known criminal has started a romance with the daughter of a rich couple from America and Gideon is suspicious. When she is kidnapped Gideon immediately knows who's to blame, but proving it and freeing the girl is more difficult.
A rich American family arrives in London with a charming boyfriend for their daughter they met on the trip over. They never suspect he's part of an elaborate plot to kidnap their daughter until it's too late, and the parents are conflicted as to calling in Scotland Yard for help.—WesternOne