Male Protagonist: Mo Linhan (the third prince, King Han, guarding the border, the world calls him "the cold knife cracks the bones, and laughs at the enemy's head")
Heroine: Song Liyou (Su Ruyue, the missing second daughter of Tang Dynasty King Su Haiquan, was born to his first wife. Due to the war, the Tang Dynasty King was slandered, causing his first wife Zhao Nanxi to be forced to take Su Ruyue, who was just born, to escape... Missing)
Purpose: Reopening unjust cases and seeking to prove innocence
