Celeste Sterling has spent years living in the shadow of her adopted sister, Nina, who always seems to need saving. Determined to protect her upcoming wedding, Celeste sends Nina away for good. Hours later, Celeste finds herself trapped in a nightmare, with only one question left: how much can a promise cost? When she escapes, a single photo and a looming wedding make her question everything she thought she knew about love, loyalty, and her place in the Sterling family. To reclaim control of her future and the legacy her parents left behind, Celeste makes a shocking choice: she will marry Adrian Blackwood, a man surrounded by rumors and a curse no bride has survived. But behind every perfect smile, someone is hiding a mask, and Celeste is done being the one who pays for it.