Everyone thinks Erna is a corrupt, fallen priestess. The truth? She’s actually a powerful saint who was abused and exploited until her magic literally broke. Used up and thrown away, she’s forced into a political marriage with Sigurd—a terrifying frontier lord feared by the entire kingdom as the "Cleric Killer." Crying herself to sleep and wishing for just one place to belong, Erna wakes up the next morning to a massive shock: She’s staring at her own face. She just swapped bodies with her scary new husband! Forced to live in each other's shoes, this "infamous" couple is about to uncover the deep, clumsy secrets they’ve both been hiding from the world. Can two frozen hearts find an unexpected, burning passion in the ultimate identity crisis?