Set after the events of Sorcery of Thorns, this novella follows Elisabeth Scrivener and Nathaniel Thorn as they settle into life at Thorn Manor. When the house’s ancient wards malfunction and trap the inhabitants inside during a winter storm, the group must solve a magical mystery to break the spell. While contending with the manor's unpredictable enchantments, Elisabeth and Nathaniel also navigate their evolving relationship and prepare for a midwinter ball.