simple story . why say more . it nail it premise . world war 3 kill all or most of the human race and be view 2 of the survivor . the message be that the 2 war side should not have be at odds in the first place . distil down to representative from each side and we see they have everything to come together for representsecurity . finding resource . food and shelter and etc . survival . love . at the end they have decide to pool their resource and ( she finally do ) and so they will survive . simple story and express in the limited budget of the early 60 television landscape . we see it in 2009 a somewhat old and maybe predictable . in the early 60 and no one have see such stuff . i give it a 10 .