"Fifteen years ago Sam Becker's younger sister Cathy was murdered by his best friend - ripping his world apart with a legacy of guilt and recriminations. Now a respected heart surgeon, and happily married, Sam has finally managed to move on. But when he saves a family during a terrifying suicide attempt, the nightmare begins. The young girl who raised the alarm disappears, and Sam falls under suspicion. As increasingly sinister events threaten his life and work, Sam must face the horrors of his sister's death to uncover the darkest of secrets in a desperate race to save those he loves." -- Back cover