Madoi has kidnapped a young boy's father and is forcing the boy, Tohru, to do her evil bidding to save his father. Tohru's father, Seiji, is a worker at the water factory, so Madoi now has access to turn off the city's water! Netto and co. visit Yaito, who sends Glyde to investigate the problem... but he finds the entire water factory network has been iced over! Everyone rushes to the factory when Glyde becomes frozen solid, and Rockman encounters a Net Navi named Iceman. Netto rescues Seiji, and it's soon discovered that Iceman belongs to Tohru. Not only that, but Madoi plans to use Coloredman to delete Iceman, and pump bacteria-infested water back into the city!
English version title - Ice Ice Baby!
町中の水道から水が出なくなった。水道局のプログラムが、アイスマンによって氷結されてしまったのだ。原因を探りにプラグインしたロックマンもアイスマンに氷漬けにされてしまう。 色綾まどいは、水道局職員の氷川を監禁し、息子の透を脅してアイスマンをオペレートさせていたのである。熱斗は氷川親子を救い出せるのか?