As described in a film magazine review,[3] Helen Aldrich (Hélène Lorfeuil), a young American sculptor in Paris, has an unexpected adventure with a young Apache who visits her with the intention of obtaining her jewels, changes his mind, and agrees to pose for her. They fall in love. Professor Aldrich (Lorfeuil), her father, is the inventor of a death ray which is expected to accomplish great things in war. The secret is stolen and Helen's lover is suspected of the theft, so Helen sets out to prove his innocence. She does, after meeting with a variety of adventures, clearing the man she loves, and effecting the arrest of the gang leader.
