The war against the Bugs continues! A Federation Starship crash-lands on the distant Alien planet OM-1, stranding beloved leader Sky Marshal Anoke and several others, including comely but tough pilot Lola Beck. It's up to Colonel/General Johnny Rico, reluctant hero of the original Bug Invasion on Planet P, to lead a team of Troopers on a daring rescue mission.

In the distant future high school kids are encouraged to become citizens by joining the military. What they don't know is that they'll soon be engaged in a full scale war against a planet of alien insects. The fight is on to ensure the safety of humanity.

On an asteroid, the Terran Federation's Fort Casey is on top of a bug hive. The Starship Alesia begins to deploy its troops to seize and control the hanger and rescue any survivors. 'Alpha' team landed without much resistance from the bugs, after they rendezvous with what's left of Fort Casey's troopers, LTA Daugherty then decided to hold till the John A. Warden evacuates while the Alesia stands by for immediate evacuation.