Brothers from Montana, Gustav and Otto Ahlingmeier—known as Old Red and Taddy Red—live complicated lives: their family is gone, and they have to do hard labor for a meager income that barely covers living. However, everything changes when they discover stories about Sherlock Holmes. Inspired by this, Gustav decides to become a detective like his hero, and soon they get a chance to show their abilities: they are hired for a mysterious ranch full of riddles and deaths. This thrilling mix of historical western, detective story, and vaudeville impresses with the boldness of the idea and the refinement of the style.