'Neath Austral Skies is a 1913 Australian silent film directed by Raymond Longford.
[3][4] Captain Frank Hollis (Martyn Keith) is engaged to Eileen Delmont (Lottie Lyell).
When her brother Eric commits a theft, Frank accepts the blame in order to protect her family's name.
On the way out to see them, Frank is captured by the thieves and is thrown in the river, but Eileen comes to his aid and the lovers are reunited.
[1] One contemporary critic said the film "has many exciting and sensational scenes, relieved with pure Australian comedy to hold the audience.