On a super typhoon night, the prison guard locked Liu Sir in his jail. However, The guard fainted nearby the cage after. All prisoners shouted for help, yet no one responded.

In this cage, there were also a former medical staff, an electrician and a student. They tried their best to save the guard. However, this act put them into another virus chaos.

All of them were forced to break the cage. Could they save themselves in this trap while they saved the guard?