One April day two years ago in Pingtung, a junior high school boy named Yeh Yung-chih was found dead in the school lavatory. The back of his head had been hit hard. He had gone to the bathroom ten minutes before recess.
兩年前的人間四月天，屏東縣一位國中男生葉永誌，在下課前十分鐘去上廁所，之後卻被發現腦後遭到嚴重撞擊，在學校廁所離奇死亡。