A nameless human boy dies in an earthquake, and the soul he once borrowed returns to its original state. Passed out and without his memories the small black dragon is sheltered by a small shy white dragon who looks very similar to him. The world is undergoing a series of disasters including a dangerous viral infection dubbed the corruption which seems to have come from nowhere. The two dragons decide to get to the bottom of these disasters. As they travel the Islands of Anguish they make various companions who help them get through the numerous problems they face.