The Devil's Cauldron, a city where depravity and violence has forged a society in which only the lethal and callous can survive, two young men who possess the intellect and ferocity to flourish, carve a name for themselves as the most efficient and unstoppable hit men. Side by side, these two brothers are the deadliest killers, feared by even the most evil criminals. But when a woman of rare beauty mysteriously enters the brother's lives she blinds them with her sweet promises and turns them against each other, resulting in an epic battle that threatens to bring the Devil's Cauldron to the brink of destruction.

The story of Bangkok in the future. After a big explosion on the sun The blast caused some of the Earth's atmosphere to fluctuate.

Nida is a single mother who takes care of her anti-social son who has locked himself in his room for five years. The only way to communicate with her son is to write on a piece of paper and slip it under the door. But, when outsiders start to get curious about what is going on behind the door of her son's room, a series of terrible events starts to happen.