Teri is a normal girl with a rare illness. Despite her diminishing health, she finds strength by attempting to live a normal life. Her willpower attracts the Clarions as she is targeted for assimilation. Meanwhile, the second in command continues to infect more and more people, preparing for the upcoming invasion.
Inspired by the Japanese Superhero show Kamen Rider, Battle Hero Absolute is about college student, Jay, who fights a human replicating alien species called the Clarion. Using the only Earth armor capable of identifying and fighting the stealth menace, he is called upon to be the protector of the human race as Battle Hero. All while juggling his college studies and his relationships with his girlfriend Jan and his best friend Sunny who moonlights as the 2nd Battle Hero. Both of whom have a peculiar fascination with the local superhero.