In the year 2025, a war breaks out between humans and a hostile alien race. 16-year-old Lucia and the rest of the starfighter pilots in the earth Federation must join the battle. When Lucia's father Ken is kidnapped by the aliens, Lucia decides to take action and hijacks a brand-new prototype starfighter, the "Gley Lancer", to try to save her father. In this side-scrolling shooter, step into the cockpit of the Gley Lancer as Lucia, rescue your father and destroy the evil aliens that are bent on destroying the human race!