The busy streets were filled with people, including an old lady named Rita who was homeless. She was thin, small, and fragile. Many people thought that she had nothing and always asked her to leave with disdain, but strangely, she seemed very happy. Rita carried a big white double bass case on her back every day and searched for a quiet corner to sleep in on the street.The case was filled with her joyful yet tumultuous childhood, naive and inexperienced teenage, busy yet fulfilling youth, warm yet peaceful middle-aged and her old age which was lonely yet still full of unknown .

One actress with one double bass case and tells the story of an ordinary woman's life with unexpected props and beautiful melodies. In this story that is suitable for all ages, children may be interested, while adults may feel familiar. Perhaps there is a 'Rita' around us, waiting for us to explore his/her life story.