Jack Arnold is competing with Clive Langdon for interests in an opal mine in Pago Tai. Accompanying Langdon on the steamer bound for the small island are his niece, Caroline Peyton, and her fiancé, Neal Travis. Jack and Caroline fall in love. In spite of attempts by Langdon and Travis to sabotage him, Jack wins the friendship of the mine-owner, thereby gaining the option to the mine.—AFI