Horror film The Unfamiliar gets a new trailer.

Dark Matters Studios have debuted a new trailer for upcoming horror film The Unfamiliar.

A British Army doctor comes back from a war, thinking that she has PTSD only to discover that there is a more daunting malevolence at work making the life that she knew unfamiliar.

Directed by Henk Pretorius, the film stars Jemima West, Christopher Dane, Rebecca Hanssen, Rachel Lin and Harry McMillan-Hunt.

The Unfamiliar is set for a digital release in the US on August 21st, with a UK release on September 11th.

Catch the new trailer above, and tell us your thoughts below.