Haruka and Jin, cultivation and wild. Around the contrasting of the two "Amazon Riders", crossed the intentions of a variety of characters, mysteries and stories.

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 Alpha and Omega, aiming to exterminate the growing threat.—Liam Morgan