A disastrous incident at a ball in St. Jude threatens to undo Alexej Sauveterre, and his protective adoptive family whisk him off to San Marco, a mythical and romantic city in the water. Born sickly, young Alexej has grown up resigned to the fact that only his family's immense wealth makes him barely palatable to other gentlemen seeking partners.

The family's sojourn in San Marco at first promises a much-needed distraction to Alexej when his older brother introduces him to an aristocratic inventor of automata as well as an old school friend who now tours the European continent as a classical pianist. Baseless hope and heartbreak, however, seem to follow Alexej everywhere.

Alexej's fascination for automata and his hopeless infatuation with Briant Cousineau draw the attention of an entity from the otherworld, one that's been wandering the globe for unwary souls to claim through cursed wishes. San Marco's winged lion summons the city's supernatural guardians in answer, and in the midst of glittering balls, magical clockwork puppets, and lonely dreams, a terrifying fight for Alexej's soul darkens the streets of a fading city.