Directed and co-written by Valdimar Jóhannsson, and starring Noomi Rapace, we have a look at the trailer for Lamb:

"A childless couple in rural Iceland make an alarming discovery one day in their sheep barn. They soon face the consequences of defying the will of nature, in this dark and atmospheric folktale, the striking debut feature from director Valdimar Jóhannsson."

Lamb will be released to theaters on October 8th and also stars Hilmir Snær Guðnason, Björn Hlynur Haraldsson, and Ingvar E. Sigurðsson.