Irish estate agent Rosie Kinsella loves her job selling high-end properties in London.

But when she's targeted by a mysterious stalker her amazing life is turned upside down. Who is 'Michael', and why does he seem to think he and Rosie are in relationship? How does he know where she lives and where she works? And how has he managed to take photos inside her house?

Rosie's colleagues and friends rally round to protect her. But who can she really trust?