Fleeing from her family and the elitist oppression of the Osiris government, Adelaide Rechnov has become the thing she once feared, a revolutionary.

But with the discovery of a radio signal comes the stark realization that there is life outside their small island existence. Adelaide's worries are about to become much bigger.

Meanwhile, as rumour spreads on the mainland, many head to the lost city of Osiris with their own devious objectives. But in a world where war is king and only the most powerful survive, there can only be one victor...

The thrilling, epic finale to The Osiris Project