It's Saturday morning, and you awake in terror. As you rub the sleep out of your eyes, you try to remember what it was that woke you up... Suddenly, it comes back to you: your chemistry experiment! It has to be done by Monday morning, and you had absolutely forgotten about it. Well, there is no choice, is there? You have to go over to the school and do it now... So, after a quick breakfast, you pedal the few miles on your bike, and soon you find yourself in the Murmellius Gymnasium. The school seems deserted, as usual on a weekend. But how little do you realize that you are not the only one present in this large, oppressively silent building...