In 2207, two years after Gamilas and Iscandar vanished, a colossal object, the “Grand Reverse” appears, effortlessly breaching Earth’s defenses. Swarms of troops and multi-legged tanks swiftly conquer Earth’s capital city. Amidst the chaos, the old Yamato crew receives a secret order and now begins a voyage for unseen dimensions while humanity’s fate hangs in the balance.