An interstellar teleportation device, found in Egypt, leads to a planet with humans resembling ancient Egyptians who worship the god Ra.
On July 2, a giant alien mothership enters orbit around Earth and deploys several dozen saucer-shaped 'destroyer' spacecraft that quickly lay waste to major cities around the planet. On July 3, the United States conducts a coordinated counterattack that fails. On July 4, a plan is devised to gain access to the interior of the alien mothership in space, in order to plant a nuclear missile.
An American soldier who had been killed during the Vietnam War is revived 25 years later by the military as a semi-android, UniSols, a high-tech soldier of the future. After the failure of the initiative to erase all the soldier's memories, he begins to experience flashbacks that are forcing him to recall his past.