When a series of eerie murders erupts across Hong Kong, grizzled veteran Huang and his reckless younger partner Wang, are assigned to track down the killer.

Xu finds himself trapped inside an iron box after awaking from a coma. As the box opens, he finds himself in a tropical forest together with other survivors, all not knowing how they ended up there. Not only do they have to face various crisis and attacks from beasts, they also have to uncover the truth behind it all so as to escape from danger.

In the world of post-apocalypse, the Еarth is barren desert. The killer called Thunder betrayed his own evil organization "Sirik Boat" and decided to fight for justice.

In the steel city like a desert island, the decisive battle between life and death is on the verge.