KAMEN RIDER THE WINTER MOVIE: GOTCHARD & GEATS STRONGEST CHEMY GREAT GOTCHA OPERATION

STORY: 

Houtaro Ichinose and his friends continue their search for the Chemies, and Ace Ukiyo and his friends confront the Jyamato, who have appeared again, when suddenly the "Strongest Level 10 Chemy", X Wizard appears. Its mysterious magical powers have transformed Keiwa Sakurai and the others into the form of Chemies! In addition, as many as five "Strongest Level 10 Chemies" and the Geats Chemy, which looks just like Kamen Rider Geats, will appear at the same time!
Perplexed by the series of unusual situations, Houtaro and his friends, Ace, and Keiwa, who has been turned into a Chemy, form teams to take on the "Strongest Chemy Capture Game"! What is the terrifying purpose hidden in this game? What is the mystery behind Geats Chemy's appearance? Will Kamen Rider Gotchard and Kamen Rider Geats be able to clear the hurdles that await them...

继续搜索凯米的一之濑宝太郎等人，和与再次现身的混世徒对抗的浮世英寿等人相遇，"等级10最强凯米"“X巫师”突然出现在两组人马面前。
受到它不可思议的魔法影响，景和等人变成凯米的姿态，同时也出现其他五只"等级10最强凯米"，和与假面骑士极狐样貌相似的“极狐凯米”。
陆续发生异常事态而困惑的宝太郎等人和英寿，与凯米化的景和等人，各自分组并一同挑战“最强凯米捕获游戏”。