Noble, an old man who is unhappy with his three greedy sons, gives each of them a map leading to a hidden treasure in South America. Noble hopes that their greed will destroy them all. The brothers arrive in South America at the same time. Michael's beautiful wife, Jenny, loves his brother Jim, while Geoffrey, the greediest of the three, hopes to possess both the woman and the treasure. The interior is accessible only by boat, and Geoffrey manages to kidnap Jenny as he begins the journey. Michael accidentally kills a policeman in his frantic search for his wife; he makes his way into the jungle with the authorities on his trail. Jim finds Jenny under the guard of Geoffrey's accomplice, frees her, and scuttles his brother's boat. Pablo, a friendly native, leads them to the ancient Inca ruins. Jenny, bathing under a waterfall, stumbles upon the entrance to the cave, but she and Jim are soon confronted by Geoffrey and his accomplice. The police arrive next, claiming the treasure as the property of the government, and all of them are pinned down by the insane Michael's rifle fire. Michael pursues Geoffrey into the jungle, kills him, and threatens to murder Jim before he is gunned down by the police inspector. Jenny and Jim sadly leave the scene of the tragedy.

• Plot Summary

• jungle-adventure
• murder-of-policeman
• three-brothers-in-love-with-same-woman
• woman-wears-boots
• murder
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• Adventure
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• United States:G (certificate #*00166*)