Only a little. I think she didn't do it, though I'm basing my hunch on a stat that there's this one doctor out there with a very high mortality rate of patients, which seems alarming but once you realise that he's the only doctor around in a very remote part of the UK full of primarily elderly people, it makes a bit more sense.
For Lucy, I think I mostly just don't want to believe that anyone could be so cruel. I don't believe it.