In the sixth Hung King's reign, in Giong village, there was a husband and wife who worked hard and had a reputation for being blessed, but still had not had a single child. One day, when the old woman went to the field, she saw a very large footprint and put her foot on it to try it, but when she got home, she became pregnant. Twelve months later, she gave birth to a son. The boy was three years old and still could not speak or laugh. At that time, the An enemy came to invade our country, the king wanted to find a talented person to fight the enemy to save the country. When the messenger went to Giong village, strangely, the boy suddenly said: "Mother invited the messenger to come here". He told the messenger to go back to the king to buy an iron horse, an iron whip and an iron armor to fight the enemy. From that day on, the boy grew up as fast as he could, no matter how much he ate, he didn't even fit in his clothes. The enemy came, just as the messenger brought an iron horse, iron rod and iron armor, the boy stretched out his shoulders and turned into a hero to defeat the enemy. After fighting the enemy, he took off his iron armor, rode his horse and flew back to heaven. The king remembered the honor of being Phu Dong Thien Vuong and had a temple built in his hometown.

The Story of Saint Giong is the first major work on the topic of defending the country against invasion. First of all, Saint Giong converges extraordinary characteristics, expressing the people's ideal of a hero to save the country. Extraordinary in details about the strange birth and growth of Giong. In Giong, there is both physical, mental and will strength. Although Saint Giong is of divine origin, there are still ordinary things of earthly people: Giong was conceived by his mother and born like any other child; Giong ate rice and grew up wearing the clothes of his mother and villagers. Saint Giong is the symbol of the people's strength in the defense of the country.