What the story is about:
The mouse is fed up of living at home with his numerous brothers and sisters. He is a smart little fellow and cannot understand why no one has any kind of special interest. All they want to do is sleep, eat, drink, fool around and then go to sleep, every day again, being quite content with this way of life.
He, on the contrary, would like to discover what is going on in the outside world and decides to leave his family in order to find out.
His adventure takes him to an office-building where strange things happen……