R.C. 1014: A mysterious mobile suit, G-Self, is being pursued by a group of space pirates and the Capital Guard. The suit is captured by the pirates and the pilot of the suit, Raraiya Monday, is captured by the Capital Guard. A week later, a class of Capital Guard Academy cadets are riding a Crown transport module up along the orbital elevator, Capital Tower, to reach space where they can conduct their first live mobile suit training. On the way up their Crown is attacked by space pirates and their mobile suits, one of which is the G-Self. Bellri Zenam, the youngest of the cadets, pilots a maintenance mobile suit to hold off the G-Self and helps capture the pirate suit as well as its pilot, Aida Surgan.