In 1819, France is surrounded by armies. With Russia in the north, the Karlsruhe Confederacy in the east, and a pirate kingdom in the south, Napoleon cannot break out, nor can the English Navy seem to break in. Europe teeters on the edge of a sword. Celeste Blanchard, daughter of the Emperor’s disgraced Air Minister, is running out of time to develop an airship that can carry his armies to England and restore her mother to glory. But on a desperate test flight, she is blown off course…and washes up, half drowned, on the shores of Cornwall, in the heart of enemy territory.

Lady Georgia Brunel, widowed a year, has been looking forward to her holiday in the Duchy of Venice with her companion, Millicent Brunel. The clockwork city’s annual art exhibition is in full swing, and old friends and new acquaintances make for an exciting social whirl.

Margrethe Amelia Linden (Daisy to her friends) is a young woman of gentle upbringing, some talent as a watercolorist, and firm opinions that often get her into trouble. Determined to find her missing father, in the summer of 1895 she sets out for the last place he was seen: the Wild West. It's a rude shock when her younger sister stows away on the airship - such behavior no doubt the result of her unsuitable friendship with Maggie Polgarth and the Carrick House set.

Arwen Forester may be a socially awkward introvert, but she’s an expert tracker, archer, and forager who has a pickling recipe for every vegetable in the garden. Unfortunately, none of these skills earn her a lot of money. And when the taxes go up on her father’s farm, she’s not sure how to help him keep the property. Then someone offers her a lucrative new gig: Hunt down a haughty half-dragon criminal with the power to incinerate those who irritate him.

Librarian Sylvia Ashe knows nothing about her past, having grown up without a father and a mother who refused to discuss him. When she stumbles upon a diary that suggests she's descended from magicians, she's skeptical. After all, magicians are special, and she's just an ordinary woman who loves books. She seeks answers from a member of the most prominent family of magicians, but she quickly learns that finding the truth won't be easy, especially when he turns out to be as artless as her, and more compelling and dangerous than books.