"It's definitely strange," Roxie confirms. "Not being able to recognize people you know. Even when they're inches away from you."

She can't quite decide whether it's a good or bad sort of strange. The verdict changes from moment to moment. There's joy in being no one for a little while - but it's a bit off-putting to be surrounded by strangers that you're well aware that you know.

"Does it get tiring," she asks instead, still on the enjoyment side of the fence for now. "Being both vengeance and the night? Seems like a big commitment."