Forever Knight - Season 3 Episode 12 Strings 13TH CENTURY VAMPIRE. 20TH CENTURY COP.
Overview: An unusual murder leads Nick and Tracy to popular singer Christie Black, who is undergoing intense psychotherapy with the controversial Dr. Ben McGee. As more people close to Christie are killed, the suspects are dropping like flies. Nick needs to find the killer before there is no one left to kill. And apparently he'll have to do it without a partner as Tracy considers a transfer her father, Commissioner Vetter, has arranged.