Not every rat carries the plague. Really. This one looks like it could have been a pet rat when it was alive - the black and white ones. Noticing Nico's discomfort, Theo clicked his tongue. The rat stopped sniffing around Nico and the sheet and scampered back to him. It climbed up his arm to hang out on his shoulder.

"Hey. I'm just looking. A friend of mine would be really interested in this sort of thing."