Mary Marshall would do anything for her daughter Julia. A devoted grandmother, she's always been the rock her family can rely on. But Mary has a past that's come back to haunt her. Murray French is walking a tightrope. A solicitor struggling with an alcohol problem, he's about to lose his wife Julia, and his children, to another man. Someone who's everything he's not. Can he ever get his family back? Just when Julia Marshall thinks life is starting to turn around, she stumbles upon the brutalised body of a girl she teaches. And as the terrible present starts to shed light on her mother's past, Julia realises her family's nightmare is only just beginning . . .