Seeking a good funeral film

Police officer Luo Ran died unexpectedly due to investigation and resigned from the police station. He studied day and night, and finally locked the suspect-Jiang Xue, a female computer doctor. Luo Ran followed Jiang Xue on a train. Unexpectedly, the train accidentally strayed into an abandoned empty city and completely lost contact with the outside world. The city is full of crisis and chaos. In the face of internal and external troubles, the crowd is rapidly divided, girlfriends turn against each other, brothers become enemies, and strangers rob resources by hook or by crook. However, what they don't know is that their every move of survival and struggle is watched by a pair of mysterious eyes. ......