Rhode Island, 1846. Estranged from his family, writer Merritt Fernsby is surprised when he inherits a remote estate in the Narragansett Bay. Though the property has been uninhabited for more than a century, Merritt is ready to call it home—until he realizes he has no choice. With its doors slamming shut and locking behind him, Whimbrel House is not about to let Merritt leave. Ever.

The orphaned Elsie Camden learned as a girl that there were two kinds of wizards in the world: those who pay for the power to cast spells and those, like her, born with the ability to break them. But as an unlicensed magic user, her gift is a crime. Commissioned by an underground group known as the Cowls, Elsie uses her spellbreaking to push back against the aristocrats and help the common man. Elite magic user Bacchus Kelsey is one elusive spell away from his mastership when he catches Elsie breaking an enchantment. To protect her secret, Elsie strikes a bargain.

Ceony Twill arrives at the cottage of Magician Emery Thane with a broken heart. Having graduated at the top of her class from the Tagis Praff School for the Magically Inclined, Ceony is assigned an apprenticeship in paper magic despite her dreams of bespelling metal. And once she's bonded to paper, that will be her only magic... forever. Yet the spells Ceony learns under the strange yet kind Thane turn out to be more marvelous than she could have ever imagined.

Maire is a baker with an extraordinary gift: she can infuse her treats with emotions and abilities, which are then passed on to those who eat them. She doesn't know why she can do this and remembers nothing of who she is or where she came from. When marauders raid her town, Maire is captured and sold to the eccentric Allemas, who enslaves her and demands that she produce sinister confections, including a witch's gingerbread cottage, a living cookie boy, and size-altering cakes.

Pell is an engineer and digger by trade—unearthing and repairing the fascinating artifacts left behind by the mysterious Ancients who once inhabited the sunbaked planet of Tampere. She’ll do anything to help the people of her village survive and to better understand the secrets of what came before.