Following a mysterious earthquake demolishing Tokyo, Genom gains overwhelming authority. In order to assist in reconstruction and provide a workforce for mankind, they produce Boomers, synthetic organic beings. Unfortunately, some of these Boomers malfunction and the top-of-the-line AD Police cannot restrain them. During her business trip to Tokyo, Lina Yamazaki aims to become a member of the Knight Sabers, a group of superheroes who utilize advanced suits to eliminate rogue Boomers.