A batty Scottish professor attempts to prove the existence of the Loch Ness Monster, but everyone thinks he's crazy. Meanwhile, a foolish young reporter attempts to get a scoop on the story.
James Harg and his father work in a steelmaking plant which is incompetently run, with scant attention being paid to worker safety. In his own time, Harg works on ideas for a revolutionary new manufacturing process for hard steel. When his father is badly injured in a workplace accident resulting from employer negligence, Harg uses some of the compensation payment to develop his invention to a stage where it can be tested in practice. It is a huge success and Harg patents his process. He rises to a position on the board of the company, before staging a coup to oust his former employer and take over the business himself.
Michael is a young Englishman abroad who deliberately visits a tough Chinese district of Tiger Bay to test his strength. He falls in love and battles a protection racket.
