One should never promise too much. Otherwise, one might end up like old Pettersson. Ever since he told his cat about Santa Claus, Findus has had only one wish: for Santa to come to him too. Of course, Pettersson doesn’t want to disappoint him. In the carpenter's shed, things get quite lively in the following days. There will be drawing and sawing, hammering and drilling. That everything turns out quite differently than Pettersson planned can only be due to the fact that sometimes things happen that simply cannot be explained. A very special Christmas surprise with more than a hundred colorful pictures of old Pettersson, the cat Findus, and Santa Claus.