The story is about the young Hoai Van Hau Tran Quoc Toan Tran, who won over the fight against Nguyen Dynasty with many other military generals. Tran Quoc Toan is well-known with embroidered six gold letters on the red flag: "Destroy enemy to keep royalty"in two battles. One took place in the mountains, with the brothers alongside The Loc in Ma Lu camp; and the other took place on the river with the Tran army commanded by Tran Nhat Duat and Toa Do.