The plot, old-hat though it is, does provide an opportunity for that wonderfully seedy villain, David Dirby, to do his dirty work and more importantly, to tie all the thrillingly on-the-spot railroad footage together. Railroad buffs will enjoy all the atmospheric detail director Johnson has obtained by filming in real freight yards and inside and alongside real steam engines and rolling stock.

Gordon Kingsley lives happily with his wife Dorothy and little daughter Mary Jane. On visiting the home of San Francisco architect Frank Mason, he is shocked to discover a portrait of his own wife and daughter. Suspecting the worst of Dorothy, he hires a private detective....

Jack Wade is the son of a wealthy father who runs a successful ship-building company. He uses his athletic prowess to defeat the villainous competitors who are out to financially ruin his father.

After a love affair ending in an abortion, a young prison reformer submerges herself in her work. She then falls for a controversial and married judge and scandal looms again.

After suffering a fall during a race, rider Jimmy Burke loses his nerve. But with the help of his girlfriend Molly Gibson, Jimmy regains his confidence just in time to achieve victory during the Big Race.

William Fielding, a young widower, is living in Shanghai with his little boy, David. A young Chinese woman looks after the child, and Foo Chang, a trader, lusts after her. Because he believes she is David's mother, he kills Fielding. Fielding's faithful secretary, Li Clung, takes the boy to San Francisco to be raised by his grandfather. As an adult, David (also played by Gilbert) fights against opium trafficking with Li Clung's help.

Rancher Matt Black is willed half of a Nevada gold mine. Arriving there, he learns that the heir of the other half is a young girl named "Bertie." Realizing that there may be some dirty work and theft going on at the mine, he conceals his identity and gets a job as a miner.

An American silent Western

Genteel southern horse-breeder Col. Richard Fairfax is framed on the charge of embezzlement by Martyn Selsby, his business partner, and sentenced to jail.

Bob and Jim Whitely are twin brothers. Bob, an army veteran who suffered shell shock in the war, escapes from a sanitarium and holds up the Express train, for which Jim is mistakenly arrested. Jim soon escapes from jail in order to find his brother. However, his task is complicated by a crooked sheriff who pins a holdup and murder on him that the sheriff himself actually committed. To make matters worse, the murder victim was Tommy Wilkins, the brother of Jim's fiancee, who now thinks that Jim killed her brother.