Cyborg 009 S01 E13 The Shapeless Assassin

The nations of Tylon and Zudisia have been warring with each other over a border dispute for years. But the leaders of the nations are agreeing to a ceasefire to meet for diplomatic talks that could end the wars. 004 feels uneasy about the signing of the peace treaty and decides to go alone to Zudisia to make sure the treaty is signed without any incident.