Dr Alistair Benn needs help. A light plane has crashed near isolated Dolphin Cove. There's a dead pilot, missing passengers, and a mystery he can't solve.

But when Alistair asks for help he's sent forensic pathologist Dr Sarah Rose! Alistair once loved Sarah, but she was engaged to his twin brother when tragedy struck–and Alistair has always held Sarah responsible.

Now, as they race to save lives, they must also confront the past, and the secrets Sarah has kept for so long.