Orphaned and vulnerable, Sofia binds herself through a sacred blood oath to Vampire Lord Sebastian, believing his promises of eternal protection and love. Her devotion turns into a nightmare when Sebastian turns manipulative socialite Camila into an immortal, permitting the newcomer to feed upon Sofia's weakening veins. When Sebastian abandons their vital bonding ritual to indulge his mistress, Sofia faces imminent spiritual death.
Refusing to perish as a discarded blood bag, Sofia severs their mystical connection and escapes into the freezing wilderness. On the brink of collapse, she is rescued by Leonardo, a noble vampire prince who secretly remembers a kindness she showed him years earlier. Sofia allies with Leonardo to build her strength and confront the cruel master who discarded her.
