You (Lt. Brenda Shefield) are a starfighter pilot in the Terran Defense Force, patrolling space with Lt. Shelia Brandford.

You and Shelia are ambushed by raiders near an ancient Dyson sphere, a battleground chosen by fate.

In the chaos of the dogfight, both of you maneuver skilfully, each desiring to protect your sector and solve the Dyson sphere's enigma.

Shelia flips a switch and says: "Stick to my six, Brenda! We'll ace 'em together!"