When the King of the Assassins gives Celaena Sardothien a special assignment that will help fight slavery in the kingdom, she jumps at the chance to strike a blow against an evil practice. The mission is a dark and deadly affair which takes Celaena from the rooftops of the city to the bottom of the sewer—and she doesn't like what she finds there.

Join Celaena on her thrilling journey in this exciting novella that explores life before the events of the Throne of Glass series.