Ken Sato, a superstar baseball player who returns to Japan to become the latest hero to carry the mantle of Ultraman. However, he is compelled to raise a newborn kaiju monster, the offspring of his greatest enemy as his own child.

This remake of the 1970s TV series “Silver Mask” and “Super Robot Red Baron” pits two families (one with an armored bionic superhero, and the other a red giant robot) against evil aliens to save Earth and prevent the extinction of mankind.