When Ben wakes screaming in the night, his wife tells him he's had another nightmare and all will be fine, even though there is fear in her eyes. Toby also has bad dreams. In the morning, his body is covered in unexplained scars and there are gaps in his memory that just don't make sense. Alone, they are trapped. But when they both look for help, they are thrown together in a desperate hunt for the truth in the web of lies that surrounds them. For once their secret is out, no one is safe. Sleepwalkers is a dazzling game of cat and mouse, a fast-paced yet intensely moving thriller that will be impossible to forget.