Driven by her family’s debt, Lena signs a degrading contract and is forced to move into the Vale mansion as the private blood donor of vampire heir Lucien Vale. Outwardly, she is only an assistant; inside the house, she is a living secret. Everyone expects Lucien to marry the well-matched Vivienne, but in Lena’s presence, he begins to slowly unravel. In a world built on wealth, blood, and cruelty, the girl everyone wants to crush becomes the one he can’t bring himself to let her go.
