Insidious is a 2010 American-Canadian supernatural horror film directed by James Wan, written by Leigh Whannell, and starring Patrick Wilson, Rose Byrne, and Barbara Hershey. It is the first installment in the Insidious franchise, and the third in terms of the series’ in-story chronology. The story centers on a couple whose son inexplicably enters a comatose state and becomes a vessel for a variety of entities in an astral dimension known as ‘The Further’ who want to inhabit his body.
Insidious had its world premiere on September 14, 2010, at the 2010 Toronto International Film Festival (TIFF) and received a wide theatrical release on April 1, 2011, by FilmDistrict. The film is followed by a sequel, Chapter 2 (2013), and two prequels, Chapter 3 (2015) and The Last Key (2018).
A family discovers that dark spirits have invaded their home after their son inexplicably falls into an endless sleep. When they reach out to a professional for help, they learn things are a lot more personal than they thought.