The next day, the monster asks the master of the cave if he went to hangzhou a month ago to catch a demon. The master replies that he didn't, and that the demon was cunning. The monster then tells the master that he's punished him for letting the demon go. The punishment is that he has to stay in the cave for four days and nights, and he'll pick him up after four days. The cave will be covered in snow and ice for four months, the master tells the monster.