The first in a brand new crime thriller series from the No.1 Sunday Times bestselling author, that will transport you to the rugged Cornish coast, and keep you on the edge of your seat. An unexplained death In stormy West Cornwall, a woman lies dead at the bottom of a waterfall. A year later, her children are possessed by strange visions. A house full of secrets Forensic psychologist Karenza Bray arrives to work with the children. She discovers a grand ancestral home, full of details that don't quite make sense. The children sleepwalk into the sea, and claim to speak with dark spectres. An centuries-old mirror shows them impossible things. A family with everything to hide Someone knows the truth about what happened to Natalie Tyack. Her husband. The housekeeper. The neighbours. But the more Karenza tries to help, the deeper she steps into a mystery, into a haunting. This house has a history that has not been put to rest. Will any of them escape sane, and unscathed?