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Having been summoned Westward by a letter from her husband, who claims to have a valuable silver mine, Linda Harris (Erin O'Brien) arrives to find that she is now a widow. Enlisting the aid of Bret Maverick (James Garner), Linda embarks upon a perilous journey through Indian territory in search of her late husband's mine. Taking refuge from an Indian attack, Bret and Linda find themselves trapped in a way station with the Fallon family--who turn out to be the same outlaws who murdered Linda's husband, and are now determined to trick her into leading them to the silver (and of course bump her off as well). This episode is based on "That Packsaddle Affair", a short story by celebrated Western author Louis L'Amour.