A strange email from a college student pulls Mythical agents Himora Clarke and Trevor Coleman into a hidden world of doors, memory spells, and a powerful vampire family who'll do anything to keep its secrets buried. What begins as a simple lead soon unravels a generational story filled with secrets that refuse to die--and sins that never stop feeding. And as our unlikely agents are pulled closer to each other, their bond stirs a darkness that could be the very thing to destroy them both . . . just as it did once before.