Their impossible journey began beneath the Pacific Ocean's surface. Their harrowing escapade breaking the surface was just half the battle. Now, Sembado and Kaluna will face their greatest challenge yet as they venture beyond the surface. Who are these strangers who call themselves the Stewards? Are they truly friend or foe? Have Sembado and Kaluna finally escaped the thresholds of evil and found paradise or does tyranny have a new name and face? These questions will be answered in the epic conclusion to the Surface Series.