He proves to be adequate for his day-to-day living but cannot fulfill his deep desire for revenge. When Ah Pao is found in possession of the Ghost Faced Killer's symbol, he is expelled from school. While he leaves in exile, his teacher is forced to shut the school down in fear of his students being killed.
He is adequate for his daily life but unable to satisfy his deep-seated aspiration for retribution. When Ah Pao is found to possess the Ghost Faced Killer's emblem, he is ostracized from school. As he leaves in solitude, his teacher is compelled to close the school due to fear of his students being harmed.