An instant USA Today bestseller! From fan-favorite Scarlett St. Clair, the bestselling author of the Hades & Persephone series, comes a new fantasy filled with danger, darkness, and insatiable romance.

Their union is his revenge.

Isolde de Lara considers her wedding day to be her death day. To end a years-long war, she is to marry vampire king Adrian Aleksandr Vasiliev, and kill him.

But her assassination attempt is thwarted, and Adrian threatens that if Isolde tries to ...