Two tiny, aquatic humanoids search for their missing father, a boy battles a lethal allergy to eggs, and an invisible salaryman tries to become a hero.

A mother searches for her missing son after a devastating calamity, only to realize that she has died and is now confined to a realm of restless spirits.

Luca follows in his father's footsteps to rescue his mother from evil Ladja. Finding the heavenly hero who wields the Zenithian sword is his only hope.