Set in a future dystopia plagued by rogue cyborgs and criminal organizations, the story follows Yutaka Daimon, a dedicated police officer. His primary weapon against the chaos is Zaborgar, a multipurpose robot that can transform into a motorcycle and knows martial arts. Zaborgar was engineered by Daimon's father and is imbued with a sophisticated artificial intelligence, making it capable of complex combat maneuvers and deep emotional connections. Together, they form an inseparable duo committed to the protection of society. Daimon's past reveals a troubled childhood overshadowed by his father's relentless quest for vengeance against the same criminal organization targeting the world today, Sigma. As Daimon fights to uphold justice, his relationship with Zaborgar deepens, both relying on each other to face various enemies and challenges.

As the story progresses, Daimon and Zaborgar encounter numerous adversaries, including mechanized monsters and human-cyborg hybrids controlled by Sigma. Among them is Miss Borg, a deadly and beautiful enemy operative whose interactions with Daimon are as emotionally intense as they are perilous. Daimon's quest becomes increasingly personal, mirroring his father's mission and thrusting him into conflicts that test his moral and ethical boundaries. Desperate to keep order, Daimon must navigate a labyrinth of loyalty, betrayal, and hidden agendas, all while relying on his unique bond with Zaborgar to confront the ultimate evil threatening his world.