Watch: First Trailer For Horror 'Lights Out' Will Make You Afraid Of The Dark

James Wan is going to have a busy summer scaring the bejesus out of you. First he's got "The Conjuring 2" coming and a month later, he'll unleash his producing powers on "Lights Out," that will once again make you afraid of the dark.

David F. Sandberg directs Teresa Palmer, Gabriel Bateman, Alexander DiPersia, Billy Burke and Maria Bello, the story follows siblings who are haunted by a mysterious figure in the dark, one that is mysteriously connected to their mother. And as the terror increases, they'll have to face the truth. Here's the synopsis: 

When Rebecca left home, she thought she left her childhood fears behind. Growing up, she was never really sure of what was and wasn’t real when the lights went out…and now her little brother, Martin, is experiencing the same unexplained and terrifying events that had once tested her sanity and threatened her safety. A frightening entity with a mysterious attachment to their mother, Sophie, has reemerged....