The highest-rated program in seven star systems has finally reached Earth. Micronauta, the great space explorer, will explore this immense and exotic planet, but for this difficult task Micronauta will count on the help of cadet Keka and Xb-12, her little robot companion. Planet Earth can be incredibly dangerous when it's only 30 microns tall (1 micron is one thousandth of a millimeter), a tiny ant could be the scariest creature you've ever seen! The short film is aimed at preschool children, has educational and scientific objectives, in which its social and cultural value lies.