Lin is a servant at the Royal Household of Kanlu. His people are oppressed and shunned, long neglected by the migratory birds that bring good fortune. Lin is turning 20, and his only chance at freedom is coming - he can join the ranks of the nobles if he's chosen by a bird at the coming-of-age festival. But it's just his luck that he's paired with the charismatic Sang, heir to the throne of Kanlu. The birds can only choose one and Lin's odds are close to none, unless...