Crew of torpedoed cargo boat brought to safety + launch of ship "Arunta" by Lady Gowrie.
Title reads: "The war 'down under'."
Various C/Us of the survivors of the cargo boat "Port Brisbane" which was sunk by a torpedo. Many of the surviving crew are very young men. C/U of Second Officer Dingle of the "Port Brisbane".
Intertitle reads: "Australia's answer".
Various shots of new ship on slipway at Sydney shipyard. Various C/Us of Lord Gowrie, Governor General of Australia, with Lady Gowrie and Lord Wakehurst on launching platform, it is raining heavily. M/S Lady Gowrie launching the new ship, a destroyer named "Arunta" (of the Tribal Class). Various shots of the destroyer going down slipway and into the sea.