Bob Graham, a prospector, finds gold as the result of a landslide which carries him in its path and therefore, he calls his mine "The Lucky Fall." His first assay brings him a nice sum of money, which he keeps in a strong box at his cabin. Mary, his wife, receives a letter from her brother, Allen, stating that he had been accused of smuggling guns across the border and flight being imperative, he asks for money to assist him. She is greatly shocked and succeeds in keeping her secret from Bob, who inquires regarding the letter. Mary begs her husband for the use of their savings, but being unable to offer a good reason she is refused. While Bob is at the mine, the brother. Allen, comes into the cabin. Bob returning unexpectedly, sees the couple through the window and not knowing Allen, suspects Mary of being unfaithful. Mary slips out and conducts her brother to the mine, where work has been suspended for the day. The workmen fearing a cave-in. Bob follows the couple, and to his horror ...
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