"Killing Eve is a British spy thriller television series, produced in the United Kingdom by Sid Gentle Films for BBC America. The series follows Eve Polastri (Sandra Oh), a British intelligence investigator tasked with capturing psychopathic assassin Villanelle (Jodie Comer); as the chase progresses, the two develop a mutual obsession. It is based on the Villanelle novel series by Luke Jennings.' - Wikipedia
This is the best Psycho-Thriller series I've seen to date. The following video is a collection of trailers.