The film, which Kendrick told The Independent is the “ most revealing piece of work I’ve ever done”, focuses on Rodney Alcala, who appeared on The Dating Game, a Blind Date style show, in 1978. Alcala was 35 years old when he appeared on the show and had reportedly already murdered at least five people, including a pregnant woman and a child.

Little did she know, the man she chose to go on a date with - Rodney Alcala - was in fact a notorious serial killer. Alcala was part-way through a crime spree when he appeared on the show, having raped and assaulted multiple people and committed several murders.