The so called 'three nons' is no house, no car, no girlfriend, and Li Yuyu, an indoorsy cartoonist is this lot. Someday, Her Highness Princess of the Galaxy, who comes to visit the third rock of the sun is just because of Li Yuyu! What's more. She tries her best to be a good wife of this guy. Since then, Li Yuyu's life has begun to be reversed. But the biggest challenge, of course, is how to handle his father-in-law, who is always at the top of the list.