時に西暦2205年。ガミラス民族の移民先を探し求めたデスラーは、〈ガルマン〉という名の星へと辿り着いた。一方、地球では宇宙戦艦ヤマトが旗艦となる第65護衛隊が誕生。出航前の訓練に明け暮れる若きクルーのなかには、ヤマトへと険しい視線を向ける青年、土門竜介の姿があった。
The year is 2205. Dessler, in search of a place for the Garmillas people to emigrate to, arrives at a planet named "Galman". Meanwhile, on Earth, the 65th Escort Squadron is born, with the Space Battleship Yamato as its flagship. Among the young crew members who spend their days training before departure, there is a young man, Domon Ryusuke, who turns a steely gaze toward the Yamato.
