Tesla was a member of a group of young Berliner punks in the 70's, when she got captured and turned into an un-dead by Shrek, one of the Masters of the Night, and sold to Gorka, another Master. For years she hunted and killed innocent people in East Europe alongside Gorka and his pack of vampires, taking advantage of the misery caused by the wars. She has been freed when Harlan killed Gorka, at the beginning of the series, and from that moment she has joined him and Kurjak in their quest.