Betrayed and left for dead by her fiancé and best friend, Fia Shaw died on a cold rooftop — only to be reborn as a lethal weapon.Recruited into the shadowy Erebus Veil organization, Fia undergoes brutal training and receives neural implants that sharpen her mind into a deadly blade. Five years later, she returns with one goal: destroy the couple who stole her life.To do it, she needs the perfect pawn.At a glamorous gala, she kidnaps ruthless billionaire Kian Casanova — the Ice King feared by the elite. Trapped in her high-tech prison, Kian is forced into a marriage contract: play the perfect husband and help her infiltrate their shared enemies, or watch his empire crumble.What begins as cold blackmail ignites into dangerous obsession.As Kian’s icy control cracks under Fia’s brutal beauty and hidden pain, he becomes consumed by the woman holding him captive. But when her mysterious handler Xavier returns, bringing deadly secrets from her past, Fia is torn between darkness and the man who refuses to remain her prisoner.In a world of betrayal, power, and twisted desire, one thing is certain:Some vows are sealed in blood.“She kidnapped me to ruin her enemies… but I’ll ruin her for anyone else.”