In the depths of the vast universe, the Casey Fortress of the Earth Federation Army stationed on an asteroid was attacked by the enemy insect army. The brave warriors of the assault ship Yalisha were ordered to rescue, but a puzzling scene occurred in this fallen base. Dr. Carl Jenkins, a superpower strategic officer, took away the command of the battleship John A. Walton, which Carmen was in charge of, and his whereabouts were unknown. At the end of the war, the soldiers of Yalisha rescued the survivors, and the little star was also destroyed in the explosion. In order to find out the whereabouts of the disappeared battleship, Johnny Rick ordered the Yalisha on the way back to quickly turn the bow and chase the John A. Walton. The powerful warriors merged into one and began a new long journey... This film is a commemorative work for the 15th anniversary of the release of the "Starship Troopers" series.