Toad-Boiler attacks Interpol agent George Kamamoto, who is trying to pass on a coded document from Riders One and Two to Kazami Shiro. V3 saves Kamamoto, and then heads for Chichibu, as directed by the document. Toad-Boiler implores him to transform into V3, and then sprays him with a white fluid � a substance that drains V3's energy! Can V3 survive and obtain the secret left behind by the Double Riders?