A proud noblewoman is pushed into a marriage of convenience with the man she once loved, only to discover he’s turned heartless and keeps a favored “lover” at his side. Cast aside in her own home, she chooses revenge and targets that lover—uncovering a secret that could ruin everything. Forced to work together, their uneasy alliance slowly becomes something deeper. When her life is suddenly threatened, a vampire blood pact is made to save her, tying their fates together in a dangerous romance.