When a man is searching for his final resting ground, don't go running your mouth."Commander Kiruta learns of the existence of the Mazone and persistently tries to inform the Prime Minister of the impending doom. Nevertheless, the Prime Minister ignores his pleas and begins to think of Kiruta as a dangerous person who may pull off a coup d'?tat. Then, Kiruta encounters Commander Otawara in a drinking establishment once again. He was the former commander who was accused of being a murderer after killing his wife upon finding out she was a Mazone. Learning of the Mazone invasion, Otawara leaves in a fighter all alone and makes contact with the Arcadia. He then leaves his final parting words to his former lover, whom he broke up with due to a misunderstanding, Masu-san. He then charges into the Mazone's crosshairs. Harlock is impressed with Otawara and vows once again to rescue Mayu.
When a mysterious invader from the stars catches Earth unawares, only the legendary space pirate Captain Harlock and the crew of the Arcadia have the will to stand against them.
