First trailer for psychological thriller As Above, So Below revealed

Miles of twisting catacombs lie beneath the streets of Paris, the eternal home to countless souls. When a team of explorers ventures into the uncharted maze of bones, they uncover the dark secret that lies within this city of the dead. A journey into madness and terror, As Above, So Below reaches deep into the human psyche to reveal the personal demons that come back to haunt us all.

Written by John Erick Dowdle and Drew Dowdle (Quarantine, Devil) and directed by John Erick Dowdle, the psychological thriller As Above, So Below is produced by Thomas Tull, Jon Jashni, Drew Dowdle and Patrick Aiello. Alex Hedlund serves as the executive producer.

Check out the trailer and some still images for As Above, So Below, which hits theaters on August 15th, 2014, just below.