A large monster attacks Japan, but dies suddenly. While the people rejoice and bask in relief, the giant corpse left behind begins to slowly rot and bloat. If it explodes, the nation will be destroyed.

The Underground Empire Badan makes its move, intending to invert the world. Kouta and Mai are pulled through one of these inversions where the discover a boy named Shu, who also holds the power to invert the world. As the Riders fight to protect Shu, Fifteen appears again, seeking Shu. As Kouta flees, past Riders gather and fight one another, split between the Showa and Heisei era Riders. But, the truth of Badan is not as it seems…

The Kamen Rider Club discovers that the Dai-Zangyack fleet is moving towards Earth, led by Captain Marvelous as their Great Emperor. With many revived Super Sentai villains under his command, Captain Marvelous plans to obtain the Great Power of the Kamen Riders which is said to be "Ultimate Treasure in the Universe". Meanwhile, Tsukasa Kadoya becomes the Great Leader of Dai-Shocker once again and recruits past enemies of the Kamen Riders to take down the Super Sentai teams.

Timeranger is joined by GoGoFive when a pesky villain returns to empower the Londerz Criminals in ways that their future technology can't handle!

A scientific exploration in search of a new energy source unleashes a group of powerful demons who begin possessing human bodies and destroying civilization. Close friends Akira and Ryo wind up on different sides of this epic struggle. Akira’s inner strength allows him to maintain his identity and fight for good, but the weaker Ryo is completely overtaken by Satan himself.

A vengeful young woman named Erika turns into a giant monster to menace her manipulative boyfriend after he dumps her.

Shiro Amasuka, dead leader of the Shimbara Revolt is resurrected from hell with the desire of overthrowing the shogunate for killing his companions. To do this , he resurrects an army of living dead swordsmen. Between him and his goal, only Yagyu Jubei stands...

Ace, Houtaro, and their allies participate in a new edition of the Desire Grand Prix kickstarted by the rogue Chemy X Wizard, who has involved the Jyamato in its diabolical plans. This is the 14th entry of the Kamen Rider winter crossover movies with this entry feature the cast of Kamen Rider Gotchard and Kamen Rider Geats.