Jimmy Thurman, the fireman on Bill Manville’s engine, is in love with Ruth, Bill’s daughter. He believes that she doesn’t care for him any more since Ralph Carleton, the son of the district superintendent, has become agent at Wellville. Joe Brooks, the dispatcher, is another who is interested in Bill’s daughter, Ruth. So much so that he determines to get Ralph out of the running. When Ralph’s father comes to see how his son is getting on, Joe tells him that Ruth is keeping the young fellow from his work. His plan succeeds, for Mr. Carleton sends his son to another station. Carleton, meantime, has discharged Joe for drinking, and the man vows vengeance. A dynamite special is to go west the next day and Bill and Jimmy are to pull her over. Ruth pleads with Jimmy to tell her where Ralph is, and he says that Ralph is at Crestmore. That night, Ruth, in overalls and cap, hides in an empty car of the Dynamite Special, and while concealed, overhears Brooks and his companion planning to blow up the superintendent’s special, which the dynamite special is to meet at Crestmore. Brooks and Leeds make their way to the dynamite car and steal a box marked “Nitro-Glycerine.” Ruth watches them. The men uncouple the engine and drive away, while Ruth rushes to the station to warn her father. Ralph thinks of his father’s special. Brooks and Leeds jump from the engine, thus allowing it to speed ahead by itself. Ruth jumps on a motorcycle and rides after the runaway. The special is coming from the other direction. Ralph is unable to help, as the special has already left Hilldale, the nearest station. Gaining on the engine, Ruth jumps from the motorcycle to the cab, shuts off the throttle, and reverses the engine. She runs ahead with a flag and hails the approaching special. Before she can tell Carleton the trouble, she faints away. Carleton leaves Ralph with Ruth, going to Bill, with whom he shakes hands. Brooks and Leeds are captured. Moving Picture World, September 29, 1917