Lucien, the last vampire king sealed for 300 years, turns up at Nightbay’s auction. Vampire Duchess Sera, hunter Evelyn and witch Rowen bid for their own causes and accidentally free him. They learn usurper regent Malakai falsified history to fuel inter-race strife, plotting to slaughter the city via poisoned blood and the blood eclipse. The four ally, resolve crises, root out traitors and unearth ancient war truths. As the eclipse strikes early, Lucien defeats the mutated Malakai, repeals old rules, founds the tri-race Night Pact, restores his kingship, and forges profound bonds with his allies.