The famous detective beautiful girl Yuki and the famous detective beautiful young man Ye and Ling are recognized as strong rivals in the detective world. Later, after collaborating on a case, they became friends and formed the "Phantom Detective Team". They go on adventures and solve crimes together. Gradually, it was discovered that there was a mysterious manipulator named "Yin" behind many cases. And "Yin" wants to assassinate Xue again and again. What is the connection between her and Xue? After uncovering all the fog, they suddenly discovered that "sound" turned out to be...