 Goemon Ishikawa XIII is the decedent of the famous samurai Goemon Ishikawa. His Zantetsu Sword is able to cut anything. Which makes it a perfect weapon. His mentor has given him a mission to kill Lupin. But the whole thing is a set up by his mentor and Fujiko Mine. Can Lupin find out what their plan is before he gets sliced in half by Goemon?