Why Did the Two Gifted Scientists Clash?

Go believed that if Krim Steinbelt and Banno joined forces, the Roidmudes could be eliminated. However, he was betrayed by none other than Banno himself. After being attacked, Mr. Belt is stolen from Shinnosuke and kidnapped by the mysterious Roidmude 004. Heart speaks to the now despairing Go and Shinnosuke, explaining what happened between him and Banno, who he calls "the lowest of humans", in the past. Meanwhile, Chase is after the Tornado Roidmude, who has kidnapped Kiriko.