Rache is back, for six cases involving her avenging the murder of innocent people by killers that humans won't be able to bring to justice. First she travels to Berlin for the holidays to be with her mother, then she must stop a series of killers in New York, helped and hindered by her friends Mary and Marcy, as well as her colleagues as the Shylock Detective Agency. She has found herself a mentor figure, NYPD's detective Colin Fletcher, who trains Rache to be of some use to people in his city. However, will the agent of vengeance be ready for the final turn of events? Part of the Vengeance Cycle