Sunken Silver(1925)

Brice, a secret service agent, seeks information regarding stolen silver which disappeared from the government in 1804. Hade and Milo seek the fortune for themselves, as do the "conches" natives of Florida since the time the money was buried. Claire, half sister of Milo, falls in love with Brice, who is captured by Milo and Hade and taken to an island where he is to be killed.