A long-ago trauma and a family mystery may shed light on her troubled sleep--or pull her into the darkness once and for all . . . As a child, Grace Cooper suffered from bouts of sleepwalking. Now, after the unexpected death of her husband, she's moved back to Woodburn Cottage, her childhood home--and the sleepwalking returns. It's all stirring up dark memories--memories that involve the disappearance of her brother Simon, who vanished...