This film tells the story of a young orphan girl, Molly Moon, who comes across a book 'Hypnotism, An Ancient Art'. Learning its lessons, she hypnotizes her way to stardom in London and becomes rich and famous. But little does she know that an unscrupulous man wants her book. He tracks her to London, kidnaps her dog, Petula, and blackmails Molly. In order to get her dog back, she must rob Shorings Bank of all its jewels! And then she must find the friends she has lost from her hypnotic journey.