When just-about-managing Merri and Dev buy a lottery ticket to win the house of their dreams, they never expect to win.

For Dev, it's a dream come true. But Merri is worried. Dev doesn't realise there's a reason she's never wanted to put down roots, always fleeing from the memories of the day her little sister died.

At first it's easy to think she's imagining the shadowy figures in the lakefront garden. Surely no-one 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...