Revolves around an elite group of male warrior youth called Hwarang who grow through passion and love in Seorabeol, the capital of the ancient kingdom of Silla.
Cast: Park Seo-Joon, Ara Go, Park Hyung-Shik, Minho Choi, Ji-han Do, Jo Yoon-woo, Da-In Lee, Ji-Soo Kim, Yoo Jae-Myung, Dong-il Sung, Choi Wonyoung, Dong-woo Shin, V, Kim Chang-wan, Hyun Joon Kim, Kim Kwang-gyu, Jin Ju-hyeong, Kim Won-Hae, Seo Ye-Ji
Jinheung's appeal to Hwarang for support before his coronation does not go the way he planned. Dog-Bird asks Master Wehwa for help.
Jinheung declares himself the real king only to be challenged by Master Youngshil. Dog-Bird considers what he has learned about himself and what he will become.
Queen Jiso starts preparations for reinstating the Wonhwa system. An order from Dansae's grandfather has fatal results.
Aro discovers Master Youngshil's plan to profit off of the epidemic. Master Wehwa asks Dog-Bird and Jinheung to work together to find a solution.
Jinheung and Dog-Bird struggle with the lie that Queen Jiso has decided to use to her advantage. Master Ahnji tries to find medicine to help stem the epidemic.
Dog-Bird is forced to fight Baekje's crown prince, who has more than one plan to conquer Silla.
While the delegates face diplomatic challenges, tensions run high back at Hwarang House.
When Silla's alliance with Baekje is threatened, Princess Sookmyung is sent to negotiate for peace escorted by Hwarang.
Rumors fly as everyone tries to figure out who the king is. Hanseong and Dansae clash over their statuses.
Princess Sookmyung proposes fatal training for the Hwarang. Master Youngshil finds proof that the king is a Hwarang member.
Jinheung becomes determined to protect Aro when her eavesdropping leads to dangerous consequences. Suho finally remembers what happened to Sooyun and goes after Banryu.
Are struggles with the discovery that Dog-Bird is not her brother. Princess Sookmyung arrives at Hwarang House to help for the festival.
Master Ahnji discovers that Queen Jiso is being poisoned. Hwarang's second assignment is a festival performance for the people of Silla.
The Hwarang members face their first written exam. Anxious to avoid Jinheung, Aro borrows money to repay her debt.
Hwarang's beginning quickly turns violent, causing Aro to be called in as a doctor. Queen Jiso is displeased that the group seems to be falling apart so quickly.
Dog-Bird and Jinheung work together to escape their kidnappers. All the Hwarang members are officially sworn in and given their first assignment.
Queen Jiso succeeds in gaining Hwarang members, however reluctantly. Aro attempts to teach Dog-Bird what he will need to know among nobility.
Master Ahnji offers to let Dog-Bird stay at his house. A birthday parade without a king does not inspire confidence in the royal family.
Dog-Bird finds Mak Moon's father, but not in the circumstances he was expecting. Queen Jiso's announcement about the start of her group does not meet with approval.
An orphaned man known as Dog-Bird gets more than he bargained for when he illegally sneaks into the capital city of the Silla kingdom to help a friend.