Hal Wayne (Norman Shepherd) is a bank clerk turned thief on the run. He hijacks a plane, which crashes in a remote mountain location. The survivors' hopes of rescue soon fade, and they try to ration their remaining supplies.
The pearling schooners of a trading firm are being robbed by a mysterious pirate. The son of the owner of the firm (James Alexander) goes to the South Pacific island of Avita to investigate and uncover the pirate's identity, vindicating a man who has been unjustly accused. He also has a romance.