After surviving a vampire assassin (not to mention an awkward affair with a hot FBI agent that ended worse than she could have imagined), witch/vampire hybrid Nina Martinez is reunited with the full Blood Ops team in Providence, Rhode Island. Her Aunt Babe is tutoring her in all things witchcraft, and her vampire partner Frankie is enjoying the benefits of daywalking, courtesy of a demon spell. When a segment of the Rhode Island vampire population is marked for death by a tainted blood supply, Nina and her team race to find Patient Zero before the local vampire population is wiped out. But...