Seven-year-old Liam vanishes to save his wounded werewolf mother Elena per grandfather Alaric's deal. Twenty years later, amnesiac and a janitor, girlfriend Maya steals his research and humiliates him with Pureblood heir Jake. Elena, now Supreme Alpha, arrives to crush them, but Alaric blocks reunion. Kidnapped by renegade Mordak, Liam watches Elena nearly die for him. His grief awakens Progenitor-level power; he slays Mordak, reunites with his mother, and ascends as Supreme Alpha.