The Iremongers are a mean and cruel family, robust and hardworking, living in the Heaps, a vast sea of lost and discarded items. A storm is brewing over Heap House. The Iremongers are growing restless and the whispers are getting louder. When Clod meets Lucy, a girl newly arrived from the city, everything changes. The secrets that bind Heap House together begin to unravel to reveal a dark truth that threatens to destroy Clod's world.

In 1761, a tiny, odd-looking girl named Marie is born in a village in Switzerland. After the death of her parents, she is apprenticed to an eccentric wax sculptor and whisked off to the seamy streets of Paris, where they meet a domineering widow and her quiet, pale son. Together, they convert an abandoned monkey house into an exhibition hall for wax heads, and the spectacle becomes a sensation. As word of her artistic talent spreads, Marie is called to Versailles, where she tutors a princess and saves Marie Antoinette in childbirth. But outside the palace walls, Paris is roiling....

In the small Tuscan town of Collodi, a lonely woodcarver longs for the companionship of a son. One day, "as if the wood commanded me", Giuseppe - better known as Geppetto - carves for himself a pinewood boy, a marionette he hopes to take on tour worldwide. But when his handsome new creation comes magically to life, Geppetto screams...and the boy, Pinocchio, leaps from his arms and escapes into the night.

Olivia Prior has grown up in Merilance School for Girls, and all she has of her past is her mother’s journal—which seems to unravel into madness. Then, a letter invites Olivia to come home to Gallant. Yet when Olivia arrives, no one is expecting her. But Olivia is not about to leave the first place that feels like home; it doesn’t matter if her cousin Matthew is hostile, or if she sees half-formed ghouls haunting the hallways.

The Yaga siblings—Bellatine, a young woodworker, and Isaac, a wayfaring street performer and con artist—have been estranged since childhood, separated both by resentment and by wide miles of American highway. But when they learn that they are to receive an inheritance, the siblings agree to meet—only to discover that their bequest isn’t land or money, but something far stranger: a sentient house on chicken legs.