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Tetra is too poor to go to school. Instead, he earns money for his family by pulling the rope that moves a fan which cools three rich kids while they attend school. They, however, don't give a damn about their educations. They are much more interested in hijinks and good times. However, Tetra has a secret weapon which will further his ambitions: a photographic memory. Secretly encouraged by the school's sympathetic teacher, he is also noticed by the villainous rich kids, who want to use him as an accountant so he can help them collect even more rent from the poor villagers. Tetra manages to turn their scheme on its head and leaves the villagers better off than before. However, once the bad guys notice what he has done, he must do what he can to escape.