The book tells the story of Dayless the Conqueror, previously a ruthless ruler known as the Great Bastard, that decides to take his own life, after years of imprisonement. Instead of the release of death that he craves, he is made young again. He must keep his identity a secret while he faces the world that he tortured to make amends, in Everfall, a world of perpetual day, where the continents float in an endless sky.