Synopsis: Heroes of the Imjin War

Two centuries after the establishment of the Joseon dynasty, a major conflict arises as a result of Japanese invasion. Four beings, consisting of both celestial and human entities, battle to restore the balance of the universe, each facing their own troubles. Eun-dong, a young boy who tragically lost his mother during the turmoil and is now searching for his father; Tae-eul, the Angel of Death who is determined to solve the mystery behind the missing spirits; the revered Tiger Heuk-ho, who has lived for 800 years, and the nine-tailed fox, Ho Yu-hwan. Their journey is chronicled in this story.