When Kristenâs partner William is murdered in a mugging gone wrong, she tries to pick up the pieces for the sake of her young stepson Theo. But when Theoâs biological mother Ros demands that he go to live with her, Kristenâs world is torn apart again. The police think that William was killed by an elusive criminal known as âthe dog manâ â but Kristen has reason to believe that Ros, a woman with an unstable past, is behind the killing. Soon, Kristen realizes that Williamâs life wasnât all it had seemed. Everyone she encounters has something to hide, and not everyone is who they appear to be. Maybe Kristen needs to watch for danger in the places sheâd least expect.