Because cats keep eating rats, the mouse must find a way to protect the race. The mice gathered together. He has the idea of ​​listening to music on the neck of the cat so that the cat will make a noise wherever he goes, the mouse can hear the road and run. The whole village of rats said it was very good, but when they sent people to do it, everyone gave it here. In the end, the shrew, who didn't know where to go, had to accept the invitation. When the mouse saw the shrew coming, the cat showed its fangs and set up the music shrew and ran back to the village. No one discussed the music anymore. By that, until now, cats still eat rats.