She was innocent. He was untouchable. Alina Petrov never imagined that her father's mistake would cost her freedom, a prison which is posed as a marriage. Forcing her into the cold, deadly world of Denis Volkov, Russia's most feared mafia boss. Ruthless, controlling, and deadly. Denis is a man who forgives nothing, punishes without mercy, and keeps everyone in his orbit terrified. Yet, Alina is different. She's the only one brave enough to defy him, and her courage awakens a dangerous obsession in a man who has never needed anyone until now. In a world of lies, betrayal, and blood, what happens when the cost of her sister's freedom from the hands of her kidnappers is to ruin the man who took everything from her? Will she save her sister, or become the knife that finally destroys the man she learned to love?