[7] John Simpson Kirkpatrick, aka "Murphy", an English emigrant to Queensland, enlists in the army in World War I and is attached to the ambulance corps.

On the voyage over he discovers a traitor (Martyn Keith) giving information to the enemy by wireless and overcomes him.

The Australian troops land at Gallipoli and Murphy brings the wounded back from the trenches on his donkey.

[22] The Adelaide Mail wrote "The transport scenes are particulariy exciting, especially when a German spy is hurled into the water, a distance of 50 ft."[23] The Sun said it "was well handled by those responsible for its production.

"[24] The film was criticised at the time by Gallipoli veterans for a number of historical errors including showing: In 1919 a returned serviceman called Bailey was found murdered.