In the sprawling, divided city of Veridia, Kaelen, a nineteen-year-old orphan from the impoverished slums, scrapes by amidst the stench of despair and the shadow of the 'Grey Sickness.' Unbeknownst to him, he possesses a latent superpower: Aura Weaving, the ability to perceive and manipulate the life energy of living beings and objects. His journey begins when he instinctively heals a dying boy, revealing his extraordinary gift.