Two years ago, the ruling vampire family, House Noctis, was nearly wiped out during a devastating coup known as The Night of Ruin. Forced to flee, Y/N, the last surviving royal heir, escaped alongside Lucien Ashcroft, her assigned Parabotai (royal guardian-in-training). For two years, they lived as fugitives, constantly moving, hiding from enemies, and relying solely on each other to survive. During that time, the boundaries between princess and guardian blurred, transforming their relationship into something far deeper than duty alone. Their freedom ends when loyalists locate them and force them to enroll at Blackthorne Academy, an elite school attended by the children of vampire nobility. Officially, the academy exists to protect and educate future leaders. In reality, it is a battleground of political schemes, hidden alliances, and dangerous secrets. Now Y/N must resume her role as crown princess, while Lucien is expected to return to being a proper Parabotai. Yet after years spent surviving as equals, neither of them knows how to fit back into those roles. As whispers of the past resurface and suspicion spreads through the academy, Y/N and Lucien begin uncovering clues about the conspiracy that destroyed the Noctis Dynasty—while realizing that some of the people responsible may still be hiding within Blackthorne's walls.