Medium

Allison: You know, I met another one of his patients today. A girl named Summer. She murdered her parents six years ago. You wouldn't believe how far she's come I mean, she seemed like she could have been one of Ariel's friends. But here's the thing that I don't get: She killed her parents. She slaughtered them, in their beds. The memory of that's got to be in there somewhere, doesn't it? How can she live with that? I mean how can she function? Joe: Don't look at me, I have no idea. I can barely function myself, and I haven't slaughtered anybody ... not lately.