The new chapter in the terrifying horror series is written and directed by franchise co-creator Leigh Whannell. This chilling prequel, set before the haunting of the. Despite glimpses of something new, this installment in the Insidious film series is preoccupied with conventionality. Mar 17, 2015 Insidious: Chapter 3 Official Trailer #1 (2015) - Stefanie Scott, Lin Shaye Horror Sequel HD A prequel set before the haunting of the Lambert family that reveals how gifted psychic Elise Rainier.