With Shou presumably dead, and the Earth being threatened by a new villain, the remaining 11 Kyurangers must travel across the Cerberus System for the means to stop the mysterious Geth Indaver from destroying the entire planet.
While conducting a liberation mission on Planet Sleeby of the Norma constellation, Stinger and Champ are attacked by Jark Matter and fall into a valley where they remember a common unforgettable past.
Taking place 4 years after the events of the Uchu Sentai Kyuranger TV series, the universe is at peace. But that changes when Hammie (Chameleon Green) attacks the Rebellion and steals the newly developed Neo Kyutama! Fearing its possible misuse once it falls into the wrong hands, Space Federation President Tsurugi Ohtori (Houou Soldier) declares Hammie wanted all across the universe. Lucky (Shishi Red) and some of the Kyurangers believe in Hammie, fighting against Tsurugi's decision, causing a rift amongst the Kyurangers. And where do Space Sheriff Gavan and Space Sheriff Shaider fit onto all this?
The seventh annual stage show and concert for both the Kamen Rider and Super Sentai series, featuring cast members from both shows and popular singers of recent seasons.
The story begins when the Lupinrangers, Kairi, Touma, and Umika, are kidnapped by someone mysterious. The Patrangers are then tasked with an Abduction Case to find the missing thieves, where they run into the Kyuranger team as they pass through space. Just who exactly kidnapped them? And why did the 12 Kyurangers return to space?
Dormant, experimental cells begin to awaken inside their human hosts, turning them into creatures called 'Amazons'. Two Amazons- Jin Takayama and Haruka Mizusawa- transform into Kamen Riders Amazon Alpha and Amazon Omega, aiming to exterminate the growing threat.
All across the universe, the Jark Matter empire has conquered everything they see. Meanwhile, the insurgent force called "Rebellion" is established and gathers nine ultimate saviors from across the galaxy who are chosen by the Kyu Globes, magical spheres with the power of the constellations.