The film will be a prequel that will focus on the events that lead up to the very first Purge event.
The Purge: The Island is an upcoming American dystopian action horror film directed by Gerard McMurray and written by James DeMonaco. It is a prequel to 2013's The Purge and is the fourth (chronologically, the first) installment in The Purge franchise. The film stars Y'lan Noel and Lex Scott Davis. It is scheduled to be released on July 4, 2018 by Universal Pictures.