Conor, Abeke, Meilin, and Rollan are prisoners. Framed for a crime they did not commit, the four young Greencloaks have been captured by the ruthless Oathbound. They discover that the plot against them runs deeper, and is far more sinister, than anyone realised. To stop this conspiracy, the Heroes of Erdas will need absolute faith in their spirit animals. If they fail, all of Erdas will drown.