Buster plays a movie projectionist who daydreams himself into the movies he is showing and merges with the figures and the backgrounds on the screen. While dreaming he is Conan Doyle's master detective, he snoops out brilliant discoveries.
The son of a steamboat captain, Buster falls in love with the daughter of a rival steamboat owner. When a cyclone rages, Buster proves himself a hero by rescuing his love and her father from a watery grave.
