Sarah waits until Helena is out of earshot, rubbing at one temple as if she has a headache. "I'm tired," she admits to Cosima in a low voice.

It's not just dealing with Helena but with all of it—everything happening back home, all the things Cosima doesn't know about yet, the fact that they're stuck here now and no one knows when they'll be able to leave. She wants to lay everything out for Cosima right now, like draining an infection, because then at least she won't be alone in what she knows. But that wouldn't be fair, would it.