People on earth are making not only their earth dirty but also space, thinking that they are the only creatures that live in the whole universe. They establish a trash capsule company and send their trash into the space. They think that they are saving their motherland. Alien Pipi, who lives in Pipi planet, found a broken TV that came from the earth. Pipi fixes the broken TV and makes his mind to travel to the earth. At his arrival at the source of the global warming, the North Pole, he meets baby bear Pero. Their journey to the earth begins.