Invisible (2006)

Joseph and Jane, a couple on the brink of divorce, make a final trip to their lakeside cabin to sort things out. As they approach the lake, old memories begin to resurface. Once there, their brief peace is shattered when they realize they are being watched by two strangers in the woods. The brothers Bep and Bobby attack and trap them inside the cabin after dark. A suspenseful fight for survival ensues, as secrets and truths from their past are revealed. The night could either repair their relationship or completely destroy it, but first, they must survive.