A modern generation kind of tank, the Unitron – a deadly computer-assisted vehicle, is seized by the Mysterons to destroy the Supreme Commander of the Earth Forces, when he is escorted by Captain Blue to the tanks' testing range field in the Sahara desert.
Two of the Commander's highest-ranking officers, Colonel Storm and Major Brooks, while en route to the SHEF headquarters, are killed in an explosive collision in a mountain-integrated tunnel, involving their car and a gasoline tanker truck, and consequently revived back to life with Mysteronised bodies.
Both men are used as composers to complete the Mysteron's threat, with Major Brooks' attempt becoming unsuccessful, but Colonel Storm's turning into a life-threatening situation when accompanying the Supreme Commander to Point 783, the acting command post where the two test co-ordinators are carrying out final tests with the Unitron, but little do they know that the Mysterons have programmed the mighty formidable weapon to seek and de
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