At Gravewood High school strange accidents with the pupils appeared. The matter is that students began to disappear from the lessons at school. The strangest thing is that nobody of the adults notice this. You should stop it and turn the school from the trap into the normal one. It is not so easy because the interior now has changed into a real labyrinth where puzzles are waiting for you. Your enemy is the Teacher is chasing you – the mad owner. The rooms are destroying after the pass and the Teacher changes in appearance and gets new skills.