When Merri and Dev buy a ticket on the last day of a national draw to win the house of their dreams, they never, in a million years, expect to win.

Less than a week later, they’re receiving the keys to their new Lake District mansion. For Dev, it’s a dream come true – no more stressful rent negotiations, or waiting for the landlord to finally fix the damp. Of course he’s delighted to be interviewed about their good luck.

But Merri feels a little uneasy. Dev doesn’t realise there’s a reason she’s never wanted to put down roots, always trying to run away from the memories of what happened the day her little sister died. At first it’s easy to think she’s imagining the shadowy figures in the lakefront garden.

It’s silly to think that someone is watching her through the gorgeous floor-to-ceiling glass windows. And then a body is found in the lake. And Merri’s new perfect life is about to come crashing down…