Princess Yona lives an ideal life as the only princess of her kingdom. Doted on by her father, the king, and protected by her faithful guard Hak, she cherishes the time spent with the man she loves, Su-won. But everything changes on her 16th birthday when tragedy strikes her family!

Zeno, the Yellow Dragon, joins Yona's party, and now the Four Dragons are finally assembled! Yona and her friends head to Yun's birthplace in the land of the Fire Tribe. The people in the area not only have to deal with famine, but are forced into poverty by heavy taxes. What measures will Yona and her friends take to protect the town from oppressive government officials?