Shock has learned Mockingbird concerns a couple who receive a video camera with a document of strict instructions. If they don't follow the rules, they're told someone will die. The film will follow their hellish ordeal as they do what they are told.
Bertino last directed the 2008 horror hit The Strangers, starring Scott Speedman and Liv Tyler, for Universal and Rogue Pictures. Since then, he scripted The Strangers 2, which sits in development hell. He is also set to produce Grim Night for Universal which is based on a script by Brandon Bestenheider and Allen Bey.