It’s Camilla’s first day back at work. And her daughter’s first day at nursery. But where is her husband Luke? The only trace of him is an unfinished note.
 
Then she sees the breaking news: a hostage situation just streets away.
 
Next the police arrive: Luke is caught up in it.But he isn't a hostage. Luke – doting father, successful writer, eternal optimist – is the gunman. What Camilla does next will be crucial.Because only she can figure out what clue lies in the note he left behind . . .?