Warning: This article contains spoilers about Insidious: The Red Door.Insidious: The Red Door brings the Lambert family's horror full circle, with an ending that delivers thrills as well as closure. Directed by Patrick Wilson and set ten years after his patriarch Josh Lambert went into The Further to rescue his son Dalton (Ty Simpkins), complications from their journey, including a moment of demonic possession for Josh from Insidious: Chapter 2, caused his wife Renai (Rose Byrne) to seek separation and necessitated having his and Dalton's memories repressed by Carl (Steve Coulter). Dalton's memories return when he draws the Red Door in a college art class, at the same time Josh probes his family history of astral projection.