Ling Xiaowen acted bravely on the way home from school, and taught three bad boys who bullied a dwarf. To repay his help, the dwarf secretly followed Ling Xiaowen and gave him a magic ball. It turned out that the dwarf was The grandson of the famous inventor Tesla a hundred years ago. When Tesla died, aliens stole his brain cells, resurrected them with high-tech means to serve them, and strictly guarded him from leaving the country; but he still He cares about the earth, so he asks his grandson to sneak down to the world, and gives his own treasure to a good person on the earth, hoping that he will understand the truth while playing, and contribute to the progress of human science and technology. This divine ball, called the electric light fireball by the earthlings, is a mysterious product of nature , except for Tesla, no one can successfully produce it. Since then, Ling Xiaowen and Shenqiu have been inseparable, playing the fun of cardamom years, and there are wonderful and unimaginable stories in the process of growing up.