Two boys and their dog set out to play a series of practical jokes on their neighbors. After they have caused several disruptions, the police are called, and soon the boys are on the run, pursued by the police and others.
This one-reel documentary is pretty much what it says in the title. Cavalrymen ride their horses, first over low hedges, then over increasingly rough terrain, until by the end they are sliding down hills to cross a stream and going into caves.
In the beginning of the film, a streetcar passes in front of the camera position. The camera starts to move, indicating that it was on a streetcar since it is in the same position as the car in the first scene.
After the San Francisco Earthquake knocked the city out, and the fires did more damage, many of the refugees from the devastated area settled in a tent city in Jefferson Square.
It is a dramatic film, with its colossal explosion and smouldering remains. Within seconds of the chimney's collapse, crowds swarm in to inspect the site; issues of the crowd's health and safety are clearly not a concern, as people smile, wave and salute the camera.