California mine-owner Jim Gordon and his wife drive to New York City to attend the graduation of their daughter, Jane. On the way back, Gordon visits Washington D. C. to check mining claims and discovers an un-filed and un-mined parcel of land next to his Mojave properties. Meanwhile, his mine superintendent, Ace Gordon, with the aid of a crooked lawyer, Fred Kane, is busily swindling his employer. While traveling across the desert,Bill Merritt,a young prospector, rescues Jane from a runaway car,and he is invited to visit the Gordon's at their hotel. He falls in love with Jane, and later learns of the complicity between Carter and Kane to ruin her father.

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An agent tracking down a man who disappeared in the mysterious "Ghost Mountain" area discovers discovers the hideout of a gang of murderous outlaws.

When a group of kids discover dangerous trails to a conspiracy just a few days before the Chernobyl disaster, they begin a race against time in order to prevent the largest nuclear disaster from happening.

The family have come to Wellington, New Zealand for a combined holiday and business trip. They are met by Bill's friend, another agent, called Dennis.

This western mystery offers a behind-the-scenes look at movie making. The trouble begins when a cowboy star is mysteriously killed on the set. A detective investigates and becomes determined to save the prime suspect. Despite the terrible danger he faces, the investigator does not stop until the real culprit has been apprehended and justice is served.

Banker Eason uses Yates to stage a fake holdup and in the ensuing chase and gunfight Eason kills Lawson. Sheriff Bob Higgins was in the chase and in the confusion thinks he killed him. Quitting as Sheriff he later finds Yates gold piece at the scene. But just as he is about to get a confession from Yates, Eason shoots Yates.

In a remake of Dawn Trail, Bob Mason is wounded chasing the killers of his father. During his recovery, his nurse is Alice whom his friend Ben plans to marry. He eventually learns the killer was Alice's brother Rudd. But Rudd convinces Ben that Bob is taking Alice away from him. So Ben removes the bullets from Bob's gun just before Bob goes off to face Rudd.

For the third year, the expedition has been searching for the causative agent of an infectious disease rampant in the Ussuri taiga, where a major construction project is about to begin. Meanwhile, the enemy seeks to destroy the fruits of years of labor of Soviet microbiologists. Young scientist Vasily Zheludev exposes a master saboteur and forces him to flee into the taiga.

A rancher caught in the middle of a bank robbery shoots one of the robbers. However, the dead bandit turns out to be a former ranch hand who was suing him. The rancher is arrested for murder.