The monster Todogiller, who can fire a Freezing Shot that is 300 degrees below zero, freezes humans and Shocker turns them into cyborgs to execute their “Ice Strategy.”

An aurora suddenly appears in the Tokyo skies. The many people who see this look towards it, and one by one they get brought in to hospitals.

Shocker packages the Seadragon monsters in “Strange Beast Monster Cans” and sends them into the homes of the Boys' Rider Squad members. The fully grown Seadragons begin attacking people with their high-voltage currents

Gel-Shocker remodels a death row inmate into the monster Boarbeetle. Boarbeetle possesses a madness gas and in order to succeed in their strategy to devastate Tokyo with a deadly poison gas.

Gel-Shocker's Canarycobra transforms into a tiny canary and approaches people, then kills them with the deadly poison of his Cobra Hand.

After defeating Canarycobra, Nezucondor appears before Kamen Rider. Nezucondor carries the plague inside his body and impliments the pet strategy to spread it throughout Tokyo.