Nicole Kidman & Colin Firth Star in "Before I Go to Sleep" Trailer: Watch Now!

Posted Friday July 25, 2014 4:03 PM GMT

Teaming up for another thrilling adventure, Nicole Kidman and Colin Firth star in the first teaser for “Before I Go to Sleep.”

Based on the best-selling novel by S.J. Watson, the film follows a woman (Kidman) who wakes up every morning with complete memory loss.

Firth plays the woman’s husband, and there is a tinge of mystery to his character from the first teaser.

“Before I Go To Sleep” also stars Mark Strong and is scheduled to hit theaters on September 12. Check out the teaser in the player above!