Baseball superstar Ken Sato returns to his home country of Japan to pick up the mantle of Earth-defending superhero Ultraman, but quickly finds more than he bargained for when heʼs forced to raise the offspring of his greatest foe, a newborn Kaiju.
Struggling to balance the roles of teammate and new father, Ken must confront his own ego, his estranged father, and the conniving Kaiju Defense Force to rise up and discover what it truly means to be Ultraman.