Based on a true historic figure, Yamada Nagamasa, a Japanese adventurer who went to Ayothaya in the 16th century and became a soldier in King Naresuan's army. After the war in Burma it's restless in Ayothaya, because of a mysterious group of men that terrorizes and plunders the city. Yamada goes after them and discovers that the men are rebelious Japanese samurai. Now he has to fight his own countrymen.
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.
