Warning: This article contains spoilers for Insidious: The Red Door.Insidious: The Red Door is the fifth installment of the Insidious franchise and the final chapter of the Lambert family's horror, yet it ended with a lot of unanswered questions. It picks up ten years after the events of Insidious: Chapter 2, when Josh (Patrick Wilson) and Renai (Rose Byrne) Lambert are separated, and their eldest son Dalton (Ty Simpkins) is headed off to college. Both Josh and Dalton have had the memories of their astral projection, The Further, and its demonic entities suppressed through hypnosis, creating a fissure in their relationship that ultimately leads to estrangement.
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