The Marines Are Coming

A cowboy avenges his father's murder, but must flee the law as a result. He attempts the rescue of a young woman from an outlaw, but becomes entangled with the outlaw's wife.

Russian Jews Nathan & Esther Levinsky, along with son, David, escape to the U.S. Nathan’s life as a peddler is hard, and Esther leaves him for Max Levy allowing David to be adopted by the wealthy Danvers family. In time Nathan prospers on a small California ranch, which abuts the larger ranch of the bigoted John Comstock. When Comstock’s daughter Helen, falls in love with the Danvers' adopted son, Jimmy, who Nathan secretly recognizes as David. Fire destroys his farm and Nathan goes to San Francisco to begin again with the contrite Esther. Jimmy follows after learning the truth to search for Nathan with Helen and Comstock in pursuit. Nathan saves Helen from the lecherous Max Levy and Comstock gives his blessing to Helen and Jimmy’s marriage.

Cattlemen fight corrupt railroad men out to destroy the forest.

Having acquired the controlling interest in the Eureka Discovery Corporation for five-hundred dollars, and selling half of it to a detective for two-hundred dollars, Bob Harvey sets off with his new partner to find the buried treasure of San Capello---with very strange consequences.

The wall to Surprise Valley has broken, and Jane Withersteen is forced to choose between Lassiter's life and Fay Larkin's marriage to a Mormon.

Millioniare Curran, thinking his son too intellectual, sends him west to learn logging at one of his lumber camps. Unknown to his father, Grant Curan is a professional wrestler and easily able to handle the thugs that attack him at the lumber camp. This enables him to stay on the job and he soon undercovers how his father is being cheated by the local boss.

The bank has been robbed, the night watchman killed and the safe opened. The townspeople want John as he was the only one with the combination. Clint gets John out of town but before the mob turns ugly but the deputy is shot when he and Clint go to get John at the shack. Things look bad for John, but Clint does not believe that John did the robbery and he will look for the real crooks.

Wealthy, spoiled society girl Judith Stafford accepts a marriage proposal from rich European Count Henri and adopts his arrogance and contempt for American "barbarians". This angers her father Tobias, who arranges for Judith and a cowboy friend of his, Larry Saunders, to be marooned on a South Sea island to teach her a lesson and break her spirit. At first the "test" has no effect on her, but she soon begins to warm to Larry--until her snobbish fiance' shows up.

A retired lawman gets back into action to fight political corruption.

Brad Henderson arrives in Star City just in time to witness three men rob a bank of $30,000 and kill a teller. Charged for the crime and jailed, Brad realizes he must escape and track down the real killers since the only one who can prove his innocence is his friend, Sheriff Bill Gregory, who has been shot and will not soon regain consciousness. Chasing down the robbers one by one, he eventually discovers the identity of the gang's ringleader.

The snooty Fernanda decides to leave Spain to visit her uncle in San Francisco in order to escape the attentions of the dandy, amorous Don Diego, but he follows her. She is rescued from a wild taxi ride by a passerby who owns a huge plumbing company. Believing him to be a common plumber, she snubs him, but he pursues her and a romantic rivalry is born.

O'Malley pretends to be an outlaw in order to join a gang terrorizing towns along the American border.

Hank Davis, foreman on a huge dam project, enlists the aid of his two flyer friends when a sinister figure known as The Black Ace leads his Mystery Squadron of masked pilots in an attempt to destroy the dam.

Three cowboys find that a U.S. Marshal relative is an impostor.

A boxer is killed in the ring, and the only clue is a tune that a man was whistling.

Residents of a small frontier town take up arms when vigilantes try to block a railroad right-of-way.