"Baribari Densetsu" is a motorcycle racing anime set in the underground street racing scene of Japan during the 1980s. The story centers around Akira Hojo, a young and reckless delinquent with a natural talent for riding motorcycles. Akira's life revolves around speed, adrenaline, and the thrill of outrunning rivals on the streets. His journey begins when he encounters the legendary Red Helmet, a mysterious and unbeaten racer who becomes both his idol and his ultimate rival. Determined to surpass the Red Helmet, Akira immerses himself in the dangerous world of illegal street racing, where riders risk their lives for pride, glory, and the title of the fastest.

The narrative explores Akira's growth as a racer and his relationships with other characters, including his friends and rivals. Among them is Ryuuichi, Akira's childhood friend and fellow racer, who often serves as a grounding force amidst Akira's impulsive nature. The series also introduces a variety of skilled racers, each with their own motivations and styles, creating a dynamic and competitive environment. The races themselves are intense and high-stakes, often taking place on treacherous roads and under perilous conditions, highlighting the raw skill and courage required to survive in this underground world.

As Akira progresses, he faces numerous challenges, both on and off the track. His obsession with defeating the Red Helmet drives him to push his limits, but it also puts him at odds with those around him. The series delves into themes of ambition, rivalry, and the consequences of living on the edge. Through its portrayal of the underground racing culture, "Baribari Densetsu" captures the spirit of rebellion and the pursuit of greatness, offering a gritty and action-packed narrative that resonates with fans of high-speed drama.