The official trailer for Insidious: Chapter 3 released on October 22 and is tagged as "the darkest chapter" which goes back to "the beginning."

Insidious 3 To Be 'Special,' 'Like A 'Specter Of The Further'?

Dermot Mulroney is seen playing Sue's (Stefanie Scott) father, and the clip starts with her being wheeled in by her dad as she has a fracture. They settle into their new apartment appreciating the neighbors but all's not well, in this seemingly normal space. As Sue resigns for the night in her bedroom the eerie business begins as somebody knocks from the other side of the wall, which is followed by something freaking her out in the room.

The trailer lets know that this one precedes the first two chapters and will take fans to the origins of "the further."

Fans "Will Love The Continuation" Of The Horror Franchise

Lin Shaye who plays Elise and Specs and Tucker are also seen in the clip.

The first two films in the Insidious franchise were helmed by the writer-director team of Leigh Whannell and James Wan. But for Insidious 3 Whannell will be taking complete control, he will be writing and directing the film.

Insidious: Chapter 2 was released on Sept. 13 and topped the U.S. box office scoring $41.1 million over in its opening weekend. The film stars Patrick Wilson, Rose Byrne, Lin Shaye, Ty Simpkins, and Barbara Hershey reprised their roles from  the first film in the series.

The first film followed the story of the haunted Lambert family, whose son inexiplicably enters a comatose state and becomes a vessel for demons. In Insidious: Chapter 2, the married couple try to explore the secrets that tie them to the paranormal world and the demons that possessed their son.

Insidious 3 will hit theaters on April 3, 2015.

Watch the trailer here: