It begins with the Battle Riders Kamen Rider squad taking out some random Gel-Shocker base, the second enemy organization from the original 1974 Kamen Rider. The Battle Riders consists of Kamen Rider Ichigou (The original), BLACK RX, and ZX. After they take down the Gel-Shocker base, BLACK RX and ZX are seen gambling and a few minutes later, BLACK RX falls in love with Michiko, an instructor at a local Sportsclub. The mentor of the Kamen Rider's, Tachibana Tobei, as well as Ichigou and ZX decide to help BLACK RX in his quest for love. After a series of mishaps due to ZX's part, a Gel-Shocker kaijin named Kumo Otoko (translates as Spider Man...yes Spider Man) captures Michiko. Kumo Otoko sends a message to the Battle Riders asking them to come get Michiko, this quickly bores BLACK RX as changes the channel on the TV to play NES. Tachibana senses a trap so he enlists the aid of another Kamen Rider squad, the Mechanic Riders. The Mechanic Riders consists of Kamen Rider's V3, X, and Super-1. On the way to Kumo Otoko's lair, BLACK RX meets his lifelong enemy and brother, Shadowmoon, they fight, with BLACK RX being the victor. At Kumo Otoko's lair, the Battle Riders see that Michiko has been brainwashed into some purple skinned long nailed killing machine, and BLACK RX engages in combat with Michiko. All the meanwhile, Ichigou and ZX are fighting various other classic Kaijin from other Kamen Rider series. Just as the Battle Riders are pinned, the Mechanic Riders show up to save the day on their motorcycles. Meanwhile, the final Kamen Rider squad which consists of Kamen Rider's Stronger, Nigou, and Amazon, is seen on vacation. The only other Kamen Riders that do not have squads are Riderman and Kamen Rider Skyrider, since Riderman only has a few cameos and Skyrider acts as the Kamen Riders "eye in the sky". Kumo-Otoko is defeated and breaks the brainwash spell he has on Michiko. Michiko wakes up to see Kamen Rider V3, she falls in love V3 and the two ride off into the sunset, with BLACK RX chasing after V3.