Mom said: not all superheroes wear capes. " Miqing has a son Yixiu, who contains the embodiment of her hopes and dreams. One day, Yixiu received a call from him. Yixiu told her that the cost of water for his examination accommodation had risen from cheap to even more than the terrible $1000. She decided to go to her son's place to find out. When she got there, she found that the other people who lived there were suspicious and indifferent. In the process of looking for the reasons behind the ridiculous water charges, she made friends with the staff of the management office. Miqing soon realized that she was involved in a huge problem.