One accident. No survivors. So where are the bodies? This is David Raker's most difficult case yet. Ten seconds before the accident, Cate and Aiden Gascoigne's car is recorded on CCTV. The couple are laughing - happy, untroubled. Then their car plunges into a ninety-foot ravine. The impact should kill them. And if it doesn't, the fire will. As by the time emergency services arrive, it's an inferno. But the fire crews and forensic teams find something impossible. The vehicle is empty. Cate and Aiden are missing. Enter David Raker and his most puzzling case to date . . .