In 1977, there's a fight between soldiers and communists in a village along the border. Sak, a teacher in the village, loses his wife and his young daughter but his son is saved by Pew who later adopts him and changes his name to Tin.
A middle age idealistic school teacher who is very dedicated to educate her students has to take on the worst and rowdiest students.
Nat and a few of his childhood friends live normal lives until two Angels of Death mistake and escort their souls instead of others to Hell. There, they learn about their upcoming death.