Destroyer

The Terram finally complete their D-system, which will allow them to travel through space and time. Using it, a critical time can be found and a bomb planted which will alter history, causing the world to mend. However, the device does have its dangers; misuse of the device could destroy space and time completely. Meanwhile, back at the Galmor, Kei and Olson fall ill, due to the use of the D-system.