Angered by the news that the Stealth Valkyrie trials have been abruptly stopped, Isamu and Yang head toward Earth to get even with the pilot-less Valkyrie, "Ghost X-9." Guld, also hearing the same news goes after them for a final battle. The two fighters clash amidst interceptor missiles being fired from Earth. During this fight to the death, Guld recalls a fateful event that had been sealed in his memory.

Meanwhile, in Macross City, Sharon Apple absorbs Myung's thoughts and twists them in a terrifying fashion. She now has full control over the city as well as the minds of its citizens. Sharon sends the "Ghost X-9" after Isamu and Guld.