The “Amazon Livestock Project,” a mysterious care facility, the Amazon extermination organization 4C (Competitive Creatures Control Center) pursuing Haruka Misuzawa . . . all come together in a tale of symbiosis and competition; the mortal combat between the carnivore and herbivore. And, finally, an end to the troubles and conflicts of the Riders, two beings confronting a fierce fate.
Awakening is the first of two theatrical compilation movies that preceded the release of "Kamen Rider Amazons: The Last Judgement" feature film. Awakening compiles the events of Season 1, which follows a mysterious Amazon hunter named Jin Takayama, who transforms into Kamen Rider Amazon Alpha; the heavily-sheltered Haruka Mizusawa, who transforms into Kamen Rider Amazon Omega; and the Nozama Pest Control Service, a small group of mercenaries contracted to hunt down the awakening Amazons.
When a massive, gilled monster emerges from the deep and tears through the city, the government scrambles to save its citizens. A rag-tag team of volunteers cuts through a web of red tape to uncover the monster's weakness and its mysterious ties to a foreign superpower. But time is not on their side - the greatest catastrophe to ever befall the world is about to evolve right before their very eyes.
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.