As World War I rages, brave and youthful Australians Archy and Frank—both agile runners—become friends and enlist in the Australian and New Zealand Army Corps together. They later find themselves part of the Dardanelles Campaign on the Gallipoli peninsula, a brutal eight-month conflict which pit the British and their allies against the Ottoman Empire and left over 500,000 men dead.

After an abrupt and violent encounter with a French warship inflicts severe damage upon his ship, a captain of the British Royal Navy begins a chase over two oceans to capture or destroy the enemy, though he must weigh his commitment to duty and ferocious pursuit of glory against the safety of his devoted crew, including the ship's thoughtful surgeon, his best friend.

Australian lawyer David Burton agrees with reluctance to defend a group of Aboriginal people charged with murdering one of their own. He suspects the victim was targeted for violating a tribal taboo, but the defendants deny any tribal association. Burton, plagued by apocalyptic visions of water, slowly realizes danger may come from his own involvement with the Aboriginal people and their prophecies.