If there is, it probably hinges on Steph being a half-decent Batgirl. They're screwed.

"Totally. And there's plenty of milk, food that didn't come from a can... my guinea pig is here for some reason, and she doesn't have to worry about being emergency rations anymore. Plus the sky, actual weather, water that isn't our gross, polluted bay... and people who aren't either half-crazy or half-dead inside. Actually, I could use the break from nursing."

If her tone sounds odd, it's because Steph is trying to convince herself that there are things here worth being happy about even if everyone she knows back home turns out to be dead. She's been awake way too long today for her normal resilience.