Having barely escaped the revolution they had a huge (if accidental) part in causing, sharp-eyed orphan Mosca Mye; her guard goose, Saracen; and their sometimes-loyal companion, the con man Eponymous Clent, must start anew.

All too quickly, they find themselves embroiled in fresh schemes and twisting politics as they are trapped in Toll, an odd town that changes its entire personality as day turns to night. Mosca and her friends attempt to fend off devious new foes, subvert old enemies, prevent the kidnapping of the mayor's daughter, steal the town's Luck, and somehow manage to escape with their lives—and hopefully a little money in their pockets.

In the eagerly awaited sequel to Fly by Night, acclaimed storyteller Frances Hardinge returns to a vivid world rich with humor, danger, and discovery.