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.
A woman goes back to her hometown for the first time in 6 years to see her younger sister perform in a stage play during a festival. There, memories of a past trauma starts to arise
