When Big Head Son and Little Head Father were experiencing the new product "Mini Park" invented by the "ancestral villain" Dr. Wang, they were accidentally ejected and returned to the real world in mini form! The father and son "encountered" a group of magical "partners" in the wild, and they were thrilled, hid, chased, and rescued... Good partners don't know each other without fighting. The Lightning Command assembled and started a thrilling adventure to fight against the common enemy! What kind of crisis will they encounter? What kind of big conspiracy is hidden behind this? Can they successfully defeat evil? Will this fantasy adventure change the relationship between Big Head Son and Little Head Father?