Modern arranger Shen Zhiwei traveled into the Tang Dynasty and woke up in the backyard of a brothel in Pingkangfang, Chang'an, becoming the most worthless musician. She originally wanted to make a living by relying on her pipa skills and her ability to compose music, but she discovered that what was hidden in Fengyuechang was the Chaotang Bureau, and people who listened to the music may not be just listening to the music. The more famous one is, the less one lives. But what if she wanted to use this sound to find a way out for herself?