A series of 12 2-reel episodes, each a separate and unrelated story, relating the adventures of Christopher Race and his high-powered automobile, The Scarlet Runner. Each episode has a different cast, except for the continuing role of Earle Williams. Episode titles are: #1: The Car and His Majesty (1916); #2: The Nuremberg Watch (1916); #3: The Masked Ball (1916); #4: The Hidden Prince (1916); #5: The Jacobean House (1916); #6: The Mysterious Motor Car (1916); #7: The Red Whiskered Man (1916); #8: The Glove and the Ring (1916); #9: The Gold Cigarette Case (1916); #10: The Lost Girl (1916); #11: The Missing Chapter (1916); #12: The Car and the Girl (1916).