Herlock stands alone against everything, even the plot trying to explain why. This OVA doesn't ask you to follow the story, it asks you to watch a man who has already decided what matters and never wavers from it. The narrative pieces don't fit together cleanly, but that fracture is the point: you're seeing fragments of a legend, not a beginning.
Professor Daiba's expedition to the universe's furthest reaches awakens something that should have stayed buried. Now, five years later, that ancient alien force moves across the galaxy with devastating purpose, and the only ship capable of standing against it is the Arcadia. Harlock recalls his scattered crew, preparing for a battle that will determine humanity's survival. Among those summoned is Tadashi Daiba, the professor's son, who boards the pirate vessel for the first time and discovers that fighting alongside the legendary captain means confronting truths about his father's past and the price of defiance against impossible odds. What unfolds is a sprawling space opera where personal reckoning and cosmic stakes collide. Harlock remains unwavering in his conviction that freedom matters more than safety, even as his crew grapples with the weight of this final voyage. The anime balances intense action sequences with quieter moments of crew camaraderie and philosophical questioning. This is for viewers drawn to stories where principled rebels face extinction without flinching, where the journey matters as much as victory, and where the stars themselves become a stage for human resilience.