"Insidious: The Last Key" is the fourth installment in the "Insidious" franchise, focusing on the character Elise Rainier, played by Lin Shaye. The film delves into her backstory and features a mix of supernatural horror and psychological elements. While it received mixed reviews from critics, fans of the series may appreciate its exploration of Elise's character and the familiar eerie atmosphere. If you enjoy horror movies with a blend of character development and jump scares, it could be worth watching; however, it may not appeal to everyone.

In "Insidious: The Last Key," Elise Rainier is alive because the film serves as a prequel to the earlier "Insidious" films. Set before the events of the original movie, it explores Elise's backstory and her experiences with the paranormal. The story focuses on her return to her childhood home, where she confronts her past and a malevolent spirit. Throughout the film, Elise uses her psychic abilities to battle the supernatural forces, ultimately leading to her survival and setting the stage for her role in the subsequent films.

Yes, "Insidious: The Last Key" is connected to the wider "Insidious" franchise. It serves as both a prequel and a sequel, focusing on the character of Elise Rainier, a psychic investigator played by Lin Shaye. The film explores her past, revealing her childhood and the haunting experiences that shaped her abilities. It ties into the overall narrative of the series, which revolves around the battle against supernatural forces and the concept of the "Further," a realm inhabited by malevolent spirits.

As of October 2023, "Insidious: The Last Key" is not available on Netflix. The film is part of the "Insidious" horror franchise and may be available on other streaming platforms or for rental/purchase through services like Amazon Prime Video, Google Play, or Apple iTunes. Availability can change, so it's best to check your preferred platform for the most current information.