After global warming proved to be an extension-level event; the rich; the billionaires, set about using their money to ensure their survival on a MARs colony. They leave Earth after the seas have officially started boiling. And after their arrival on Mars, they have to become pioneers and have to learn how to do daily chores to ensure their own survival. They learn the essential survival techniques of putting their nose to the grindstone, from the underclass they brought with them to do the cooking and the cleaning. Because the cost of hauling the underclass to Mars, they only brought a few. But the cleaning lady rises to prominence as she becomes the source of essential knowledge and character. By the third generation of human Martians, she is regarded as the only reason they have survived. The billionaires forgotten.