Set before the first three installments of the Insidious franchise, Insidious: The Last Key is the fourth supernatural horror film in the series. This time, parapsychologist Elise Rainier will face the most fearsome encounter yet as she goes on to New Mexico to investigate supernatural disturbances occurring in a family's home. This is also the house in which she used to live during her youth. The movie will showcase the incidents diving her deeper into ‘The Further.’ Directed by Adam Robitel, the movie stars Lin Shaye, Angus Sampson, Leigh Whannell, Josh Stewart and Caitlin Gerard.