Graduated from the Department of Political Science and Law of Ganghwa University, he was sunny and handsome when he was young.He is the protagonist of three story lines throughout the 2000 death of Hou Guiping, the 2003 reversal of the case investigation, and the 2010 subway corpse dumping case.
Stimulated by the words of his girlfriend Wu Aike, he accepted Li Jing's commission to overturn Hou Guiping's case, until he finally paid his own life for the case.