Power. Loyalty. Love. And a marriage built on betrayal. Emilia Black was born to rule-daughter of Zeus Black, feared head of the British mafia, and the only heir to a legacy written in blood. But when her father suddenly commands her to marry an American stranger, her world is thrown into chaos. Nathan Moretti isn't just any man-he's the ruthless, enigmatic boss of the American mafia, and now... her husband. But their union is no ordinary arrangement. It's a calculated alliance forged to bring down their enemies, rebuild an empire, and settle old scores. As secrets unravel, Emilia and Nathan find themselves locked in a dangerous game of power, revenge, and temptation. And somewhere between bullets and betrayal, something unexpected blooms: a love neither of them saw coming. As their wedding day explodes into violence and old ghosts resurface, the two must decide-will they rule the underworld together? Or destroy each other before they ever get the chance? Of Blood and Vows is a gripping dark mafia romance of enemies-to-lovers tension, slow-burn obsession, and two heirs willing to set the world on fire... for each other.