She's watching over them. And he's watching her...

Ria Taylor is everything to everyone. Wife and mother, the centre of her family. And the manager of a refuge for women whose partners have driven them out of their own homes.

But one night, with her husband away, Ria receives a terrifyingly sinister message. Someone is watching her. Someone who seems to know everything about her. She knows what she should do - seek help, just like she tells her clients to. But Ria is the help. As events escalate, and terror takes hold, Ria must decide whether to run or hide...