Two Earths, these worlds are in fact very different from each other. One Earth is full of superheroes and supervillains, while another is full of warriors who train to combat many powerful forces of the universe. Two people in particular that are put in a hard situation are Kal-El/Clark Kent aka Superman and Kakarot but he goes by the name Son Goku. Both of their worlds are in grave danger which causes both of them to join forces in an epic struggle to save their worlds and the multiverse.

Superman the man of Steel teams up with a Saiyan called Goku. The two heroes find out they have to work together to defeat Darkseid and his mysterious partner.