This period swashbuckler film is based on the adventure novel -Benjamin Blake by
Edison Marshall, who also wrote
The Vikings (1958). When his brother dies, scheming Arthur Blake (
George Sanders) kidnaps his own nephew, Benjamin (played as a youth by
Roddy McDowall and as an adult by
Tyrone Power). Arthur's purpose is to claim his brother's dukedom for himself. Put to work as a stable boy, Benjamin grows up and develops a crush on his own cousin Isabel (
Frances Farmer). When Arthur discovers this, he mercilessly beats Benjamin, who runs away and sails to India on a cargo ship to make his fortune. In Polynesia, he and a friend, Caleb (
John Carradine), jump ship and set up camp on a tropical island paradise. There, Benjamin and Caleb become rich mining pearls, while Benjamin falls in love with a native girl, Eve (
Gene Tierney). Now that he has amassed wealth, however, Benjamin is determined to return to England and get his revenge on Uncle Arthur. ~ Karl Williams, All Movie Guide