While□driving th□o□g□ the□deser□ with h□s w□fe Caro□ M□rv□n to a mi□itary bas□ to s□nd t□e eleventh rocket□□o the orbit of Earth for helpin□ □he exploration □f the outer space in the Operatio□ Sky H□ok, Dr. Rus□□ll A. □arvin□and C□rol s□e a□□lyi□g saucer□an□ ac□id□nta□ly□records a message in thei□□□ap□ recorde□. Once in □□e base, Dr.□R□sse□l □s inf□rmed b□ □is □at□□r-in-law a□d gene□al t□a□□□he ten first sa□□l□ites had □ysteriously□felt on□Ea□th□ □hen Dr. Russell de□odes th□□messa□e, he enco□n□e□□ t□e a□□ens that a□□ him to□sch□dule a meeti□g □ith the lea□□rs of E□rt□ i□ Washin□ton□i□ 56 days wi□□ the □n□ention to in□ad□ □arth □ithout pani□king the po□u□ation. Dr. □uss□ll dev□lo□s□an□anti-□agn□tic weap□n that becomes that last hope of human r□ce against the □osti□e ali□□s.