Ninghua City is a small and remote city in the north. When a green train whose terminal station was Ninghua City was about to reach the terminal station, a passenger was found dead in his sleep! Liu Jun, a forensic doctor from the Ninghua Municipal Bureau, happened to be on this train, and he felt something abnormal based on his experience! Yuan Fang from the Serious Case Brigade of the Ninghua City Criminal Investigation Detachment was responsible for the green train murder case.
He is Yuan Fang, not Yuan Fang!
The story begins with this green train! Who wants to kill two birds with one stone? Who is wishful thinking? Who is greedy? Who regrets it?
