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!

Yona and her friends have taken to calling themselves bandits and have been protecting Fire Tribe villages from cruel government officials. Meanwhile, Kang Tae-jun, the Fire Tribe chief's second son, goes to Katan Village with orders to eliminate the bandits there. He still believes that he's killed Yona--but suddenly, he hears her voice! What will happen when they come face-to-face again?