When her husband proposed an open relationship, Selene’s illusion of love shattered. Heartbroken and disillusioned, a reckless night at a club leads her into the arms of her brother’s best friend—Lucien, a man she once loved and lost. One rule binds them: no love. But their shared past is anything but simple.Lucien returns from brutal warrior training to find Selene trapped in a toxic marriage—with a child that might be his. But loyalty runs blood-deep, and her abuser is his own brother. Torn between desire and duty, Lucien faces a cruel choice.A drugged drink. A night neither remembers. A forced marriage of convenience.Worse still, fate has marked Selene’s sister as Lucien’s destined mate.Now bound by unholy vows, hunted by secrets, and tormented by obsession, they must fight temptation—or be consumed by it.In a world where mates are sacred and love is dangerous, can a vow born in darkness still lead to light?