She has to know the truth about Overtoun Estate, but there is a reason it has stayed buried for so long.

When journalist Ava Brent decides to investigate the dark mystery of Overtoun Estate--a 'thin place', steeped in myth--she has no idea how dangerous this story will be for her.

Overtoun looms over the town, watching, waiting: the locals fearful of the strange building and the secrets it keeps. When Ava starts to ask questions, the warm welcome she first receives turns to a cold shoulder. And before she knows it, Ava is caught in the house's grasp too.

After she discovers the history of a sick young girl who lived there, she starts to understand the sadness that shrouds it. But when she finds an ominous old message etched into a windowsill, she is forced to wonder--what horrors is the house protecting? And what will it cost her to find out?

With her own first child on the way, Ava knows she should stay away. But even as her life starts to unravel, and she receives chilling threats, the house and the bridge keep pulling her back...