ShockTillYouDrop.com has posted the teaser trailer for director James Wan's horror-thriller Insidious, written by Leigh Whannell.

Insidious is about a young family that makes the terrifying discovery that the body of their comatose boy has become a magnet for malevolent entities, while his consciousness lies trapped in the dark and insidious realm known as "The Further."

Opening in theaters on April 1st, the film stars Rose Byrne, Patrick Wilson, Ty Simpkins, Barbara Hershey and Whannell.

[ComingSoon.net]