左翔太郎（桐山漣 饰）和飞利浦（菅田将暉 饰）合体变身为假面骑士W，风都警署警官照井龙（木ノ本嶺浩 饰）则化身假面骑士阿克塞尔，与入侵的Dopont进行殊死搏斗。在国际特务调查机关员玛丽亚•S•克兰贝蒂（杉本彩 饰）的协助下，正义战士们击退了入侵者，却发现他们原本都是佩戴了盖亚记忆体的普通市民。从玛丽亚的口中得知，国际重犯大道克己（松岡充 饰）及其邪恶组织“Never”的成员们劫持了编号A~Z的26个盖亚记忆体，他们更阴谋占领风都。 一场激烈的正邪战争即将展开……
The protagonist Masaru has just inherited a large amount of property after his father's death. However, people are trying to obtain it through any necessary means, even if it means killing him. Narumi helped Masaru avoid being kidnapped after struggling with strange characters. He discovered that they were not humans, but wooden puppets with astonishing power. After a difficult struggle, Narumi was forced to admit that he was not their opponent; Just as he began to believe that Masaru would be captured, Masaru's defender Shirogane came here from France with a weapon - the puppet Arlequin. The story of the Karakuri Circus begins here.
不仅是他的家臣，就连公众也轻蔑地说：“他真的不适合当国王。”。博吉一生中结交的第一个朋友，卡卡。与卡克的相遇，以及那些小小勇气的诞生，标志着波吉生活发生巨大变化的开始--
