"Snail, a midwife's apprentice in the Unseelie Court, meets Prince Aspen, a Seelie prince being held as a hostage in order to prevent a war. In thinking that they are stopping the war, they instead trigger one"--
"When Prince Aspen and Snail, the midwife's apprentice, realize that they have started the war they meant to prevent, they take on new identities and go on a quest to make things right"--