The knock was what woke me. I was muddled and half asleep as I grunted a "what" in the general direction of the door. The cat was on my chest. I pushed her off. If the person on the other side of the door had said anything, I couldn't hear it. But I could hear a high-pitched electronic beeping sound. A fire alarm? I grabbed the cat, pushed myself to my feet, and pulled the door open.
"Help me figure out where this noise is coming from." The woman was white-haired, in that n