Emily, Navin and their crew of resistance fighters charter an airship and set off in search of the lost city of Cielis. there they hope to find held from the Guardian Council's powerful Stonekeepers. It's a mission that Alledia's survival depends on, and time is running out -- Emily's got to find Cielis before the Elf King finds her.

"Twelve-year-old Vonceil cannot wait for her older brother Elber to come home to the family farm in Oklahoma after serving on the front lines of World War I. But the young man who greets her at the train station is serious and responsible, not the fun-loving brother she remembers, and he doesn't have time for her anymore -- especially not after he marries his plain, boring childhood sweetheart. Soon after the wedding, glamorous, mysterious Greda arrives...