While,driving,through,the,desert,with,his,wife,Carol,Marvin,to,a,military,base,to,send,the,eleventh,rocket,to,the,orbit,of,Earth,for,helping,the,exploration,of,the,outer,space,in,the,Operation,Sky,Hook,,Dr.,Russell,A.,Marvin,and,Carol,see,a,flying,saucer,and,accidentally,records,a,message,in,their,tape,recorder.,Once,in,the,base,,Dr.,Russell,is,informed,by,his,father-in-law,and,general,that,the,ten,first,satellites,had,mysteriously,felt,on,Earth.,When,Dr.,Russell,decodes,the,message,,he,encounters,the,aliens,that,ask,him,to,schedule,a,meeting,with,the,leaders,of,Earth,in,Washington,in,56,days,with,the,intention,to,invade,Earth,without,panicking,the,population.,Dr.,Russell,develops,an,anti-magnetic,weapon,that,becomes,that,last,hope,of,human,race,against,the,hostile,aliens.
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