When half-blood omega Lyra Hale trespasses into forbidden territory searching for her brother, Alpha Kael Draven punishes her with a forced mating bite meant to shame and control her. Instead, the mark awakens her dormant Moonborne power, the only force capable of destroying an Alpha. Now their bond is killing him, and Lyra must choose between revenge or uncovering the truth about her family's massacre, a truth Kael has hidden all along.