After searching for his abducted son for three years, a devastated father attempts to track down his missing child through lucid dreams.

When his abducted brother returns seemingly a different man with no memory of the past 19 days, Jin-seok chases after the truth behind the kidnapping.

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.

With the help of a gutsy female detective, a prosecutor who has lost the ability to feel empathy tackles a murder case amid political corruption.