Killing Eve is a British black comedy-drama spy thriller television series, produced in the United Kingdom by Sid Gentle Films for BBC America and BBC iPlayer. The series follows Eve Polastri (Sandra Oh), a British intelligence investigator tasked with capturing psychopathic assassin Villanelle (Jodie Comer). Villanelle had been left in an orphanage as a child. She had a violent reputation who once developed an obsession-turned relationship with an older, nurturing, French instructor— and who castrated the instructor's husband because of Villanelle's jealous infatuation with her. She worked for an organization called The Twelve.