"Dear Dr Woodruff, I hope you don't mind me writing to you. I think I'm your daughter. My name is Miranda and I have a twin brother, Mark ...' Welsh surgeon Dafydd Woodruff's life is about to be blown apart by the unexpected news that, fourteen years before, he fathered twins. But that's impossible according to Dafydd since, despite the subsequent DNA evidence which would appear to prove the girl's case, he's never slept with the twins' mother, the icily formidable Sheila Hailey who worked in the hospital at Moose Creek, an isolated town buried deep in the Canadian wilderness where Dafydd spent a career break fifteen years ago. With his marriage in jeopardy and his medical career under threat, Dafydd takes a flight back to the remote, ice-bound community of Moose Creek to make sense of the impossible, and to confront demons he thought he'd left behind years ago ...