A skilled vase painter in Ancient Greece, Demetrios faces criticism for his lack of composure and decisiveness. Following a sudden lightning strike, he finds himself in Tokyo during the 1964 Summer Olympics. Embraced by a kind family as a peculiar foreigner, Demetrios absorbs knowledge from the future, which he brings back to his time through lightning-induced travels. Juggling between ancient and modern worlds, he gains confidence, earns respect in his village, and ultimately prepares to host and partake in his own Olympics, showcasing his growth and determination.