Irede, the town of fine drink, masterful performing arts, and holy courtesans, was built long ago as an offering to a god. Travelers gather here in droves from across the continent, but unbeknownst to them, shades - creatures who lead humans astray - lurk in the streets. Sari, a maiden with the ability to bind shades, is the proprietress of a living the courtesan house Pale Moon. And when she meets Xixu, a shadeslayer fresh from the capital, restless shadows begin stirring beneath the town's surface...