After the peaceful coexistence with the Gamilans following the Space Battleship Yamato's triumphant comeback, Earth finds itself harnessing the forbidden Wave Motion technology for its reconstruction. Amidst this delicate balance, the former Yamato crew members, now leading separate lives, receive a psychic call from the enigmatic Goddess Teresa. Her message propels them back to their iconic vessel, embarking on a journey to the distant planet Terezart. There, they are promised a game-changing power essential to combat the looming threat posed by the formidable Gatlantis Empire, whose intentions towards Earth remain dubious. Yielding to Teresa's summons, the crew reunites and embarks on a new interstellar odyssey fraught with peril, challenging their bravery and adaptability against a formidable adversary.