"Twenty twenty four...you're in my future," Erin says with just a touch of wonder. "That's fascinating, honestly. Love to pick your brain about it once I get squared away. I won't be a stranger."

Later, much later that evening, despite and in some senses because of the warnings not to go out after dark, Erin contacts Gilbert by sending stone, short and to the point.

"Train station. The staff are at home in bed. I extend my aegis."