'"Isle of Intrigue," which was produced in and around Melbourne, is a story of a South Sea island. The pearling schooners of a trading firm are being robbed by a mysterious pirate. The son of the owner of the firm is sent to the island to discover the identity of the robber, and he does so after various complications which include a little romance and some excitement.'
Source: 'Australian Programme. Two "Talkies" at Palace', The Argus, 28 September 1931, p.10.