Ye Gods! Beginnings

Mark - a native of a backward planet - finds himself in control of a god starship when his mentor is killed. Soon he lands the assistance of Aileen, who was born a god but is only a teenager, The pair are asked to perform a follow-up visit to a planet called Aiden, known as M276I. There they find two civilizations: one beholden to the gods and the other, not so much. What can they do?
They can change the world, that's what. Just by requiring love....