While digging for peat in the mountain with his Uncle Tally, Fergus finds the body of a child, and it looks like she's been murdered. As Fergus tries to make sense of the mad world around him, a little voice comes to him in his dreams, and the mystery of the bog child unfurls.While digging for peat in the mountain with his Uncle Tally, Fergus finds the body of a child, and it looks like she's been murdered. As Fergus tries to make sense of the mad world around him, a little voice comes to him in his dreams, and the mystery of the bog child unfurls.