"Every contact must leave traces. There are no truly perfect crimes in the world, only undiscovered clues." The famous detective Chu Jing in the United States is different from ordinary detectives in that he has a special ability "memory corridor". Chu Jing has used the "memory corridor" to successfully solve difficult and strange cases that ordinary detectives cannot solve. Therefore, this has made Chu Jing famous in the United States. Suddenly one day, Chu Jing received an urgent message that his younger brother died mysteriously in the factory. When Chu Jing arrived at the scene, he found that his brother was dead in a strange way, with twisted hands and feet and a strange smile on his face. The New York police determined that the death was suicide, but Chu Jing believed that his brother would never commit suicide.
Not long after, a newly published novel attracted the attention of the protagonist: he was surprised to find that the murder scene described in this novel was exactly the same as the death scene of his younger brother, but the author of this book was a writer in a small mountain village of Shui Mo in Chongqing. In order to find out the truth of the case, the protagonist embarked on a thousand-mile investigation journey in New York, small mountain villages in Chongqing, Wuhan, Yangzhou, and Shanghai.