White curls, big blue eyes, and a modest smile. Erri is young, charming—and very dangerous. Because she is a nagaina: she took a contract and now must fulfill it.
Faking a marriage—what could be easier? Only there are nasty rumors about the person she agreed to name her husband; his gloomy castle is hardly welcoming, and the underground dungeons are locked and guard some kind of secret.
Who is Erri’s newly minted husband in truth? What is he hiding deep under the ground? The dazzlingly beautiful, poisonous nagaina will have to unravel the secret of the cold borderlands—because her life is on the line.