情报单位中的内鬼害卧底间谍丧命，一位铁血探员紧追罪魁祸首，矢志为死者复仇。

The mystery of the unknown and the road that leads to the solving of the said mystery, both are waiting.

情报单位中的内鬼害卧底间谍丧命，一位铁血探员紧追罪魁祸首，矢志为死者复仇。