Part 3/9:
As Zhang wanders through the train, an odd sound from the ceiling piques the curiosity of the passengers, revealing a shocking revelation: the train is infested with rats. In a heart-pounding twist, Zhang encounters his long-lost daughter, Ling, who is now married to an Army Major. Zhang's attempt to reunite is cut short when Army officers detain him for an alleged assault, leading to his unjust punishment.
The confinement culminates in a spine-chilling escalation when a man chained in the room reveals he has been bitten by rats, triggering panic. The vicious rodents quickly swarm the area, leaving chaos in their wake.