Honey and Amanda left, carrying Ray's advice with them. "Keep the doors tightly shut," he said. "Don't open them for anyone, and before stepping outside, make sure no one is lurking around."

The latter, of course, was highly unlikely. The cold was unbearable.

Senna City had never seen temperatures plunge below minus ten degrees Celsius. Winter clothing was practically useless. A quick stroll outside was tolerable—but lingering? No one could survive that long.

And if it ever dropped to minus