A massive fleet of spaceships approaches Earth, and two aliens, a male and female, land in human form. They're captured by US soldiers, but giant robots appear at major cities, proving impervious to all attacks. The female, Skye, forms a bond with soldier Josh and reveals her mission: to determine if human life should continue by sundown. She seeks Josh's help, and they embark on a perilous journey to discover the value of human life, pursued by the army that wants to use the aliens as leverage.

The Day the Earth Stopped
Massive intergalactic robots suddenly appear over the world's major cities, demanding that humanity prove its worth or face extinction.