Alas, Sam did not imagine this whole nightmare, but turned out to be a reality! In his new and even creepy-looking school, there really is an evil green monster who terrifies students and teachers and especially loves to “play tricks” on the newcomer. So will you now really have to sit quietly below the grass, as everyone around advises, and tremble with fear every day? "Never!" - Sam says to himself and decides to put an end to the green obsession once and for all. This is where it turns out that the monster can take on a human form...