Emile Hirsch and Brian Cox are father and son coroners in the new trailer for forthcoming thrilling horror movie, The Autopsy of Jane Doe. The two are working when they receive a homicide victim that has no real cause of death. And from there, the horrifying clues unfold.

Ophelia Lovibond, Michael McElhatton, Parker Sawyers, and Olwen Kelly also star in the upcoming movie, which hits theatres on December 21. Watch the trailer below.