A strange man calling himself the God of Gum gives Punch and his sister Pinko a magical bubble gum that allows the chewer to create whatever he wants with the bubbles he blows. However, as the children can't yet blow bubbles well, the God has his assistant Gum Gum stay with them. With the help of the magical bubble gum, the three get into all kinds of mischief.

A strange man calling himself the God of Gum gives Punch and his sister Pinko a magical bubble gum that allows the chewer to create whatever he wants with the bubbles he blows. However, as the children can't yet blow bubbles well, the God has his assistant Gum Gum stay with them. With the help of the magical bubble gum, the three get into all kinds of mischief.