Protagonist Ma Hengyuan leads a group into the forbidden area of Changbai Mountain to search for a train and its passengers that mysteriously vanished. Ma Hengyuan's wife was on the missing train, and he previously spent three years imprisoned after being wrongly blamed for the incident.
| Actor | Role |
|---|---|
 Mou FengbinMa Hengyuan | Ma Hengyuan |
 Li XinaiXiuer | Xiuer |
 Baode WangBei Batian | Bei Batian |
 Wang HongqianKawaguchi | Kawaguchi |
 Mu LanAn Ruyi | An Ruyi |
 Yang HanbinVillage Chief | Village Chief |
 Zhou XiaoruiBig Dog | Big Dog |
 Li YalinHonglian | Honglian |