Every year the mice who dwell in a certain house celebrate a holiday they call Crumbfest. At this time, the kitchen floor gets covered with tons of crumbs which fall from the table during Christmas dinner for the humans of the household. The leader of the mice is a mean old rat who is like a dictator, and he claims that without him there would be no Crumbfest. A young outspoken mouse stands up to him and wants to prove that the rat is not why Crumbfest comes. In doing so, he gets caught and has to pay the penalty of having his tail cut off. The rest of the mice get together and fight back against the rat, making him leave. The young mouse shows the other mice all of the food and they realize that it will come every year without the rat.