Nearly done first year at Miss Castwell’s, servant born Sarah Smith might succeed posing as upper-class Cassandra Reed. But a vision of Lightbourne destroyed by a dead army shocks Sarah. Plus, the Mother Book, her ultimate entrée to Guardian society, stops Translating, causing trouble from the Guild. Then her school lady’s maid leaves in a rush and flurry of golden sparkles. Sarah's best friends Alicia McCray and Ivy Cowell will do anything to protect her secret, and their generous natures blossom. Her guardian Mrs Winters is pleased their summer is with Alicia’s influential family, but widow McCray wants son Gavin close. Their Scotland destination is the same mountain range rumored to hide Changelings. Just who the girls are looking for. Meanwhile Gavin McCray and Owen Winter look for romance.