The crew of the Diva, pinning their hopes on a decisive final battle, set sail for the space fortress Ambat. The drums of war rise to a fever pitch. The U.E. attack with a force of mobile suits and massive warships. In a battle unlike any they've fought before, the Diva and the combined Zalam-Euba forces clamp down on their fear and fight for survival. Flit, now using his power as an X-rounder, battles a powerful U.E. mobile suit. To preemptively strike the U.E., the Diva changes its form, unveiling a new weapon. Will its light lead mankind to victory!?