"Tepondicon" by Carl Jacobi is a science fiction novella published in the mid-20th century. The story is set in a future where a plague ravages the cities of Ganymede, Jupiter's third satellite, creating a desperate environment rife with decay and desperation. The narrative follows the protagonist, George Dulfay, who embarks on a mission to explore the seven plague-stricken cities in search of a legendary treasure—the Jupiter Stone—believed to hold immense power and wealth. In the novella, George Dulfay, initially motivated by greed and the allure of riches, gains temporary immunity against the plague through the use of special pellets. As he travels through each of the seven cities, he faces various dangers, including the risk of being captured by those who see him as a symbol of hope, known as Tepondicon. With each city he visits, the acclaim he receives grows, but he soon realizes that with the potential of acquiring the Jupiter Stone comes a grave cost: his life may be sacrificed in the process of potentially saving the cities from their curse. In the end, Dulfay is faced with a critical choice between seizing the stone for personal gain and embracing a path of self-sacrifice to truly free the citizens from their suffering. (This is an automatically generated summary.)