After War is a story about a young man named Cassio. He lives a quiet life, but he has secrets. When he's discovered by the queen of Karalya, a woman named Solina Kajar, he has to leave his old life behind to be trained in the ways of the Solhayi, the Light wielders. But when Solina pulls some strings and he becomes a religious figure, he starts to second guess his morals, his goal and his relationships.