In the late 1990s, a murder occurred in Kaiming Coal Mine. Due to the conditions at the time, the case has never been solved. Many years later, an unexpected incident brought hope to the detection of the case. The police handling the case and those involved in the case were surprised to find that the case was like an onion, wrapped in layers, and also like a mirror, reflecting the city dwellers and country folk in the process of urbanization. The wheel of the times is rolling forward. What are the stories of those people who have been left behind by the times? Those first cries, years later, have become distant echoes.
Purpose: To describe the fate of various groups of people in the process of urbanization through the form of suspense novels