Eighteen years ago, the Blood Moon happened.
The loyal King of Zhenbei broke out to protect the prince, and personally abandoned his infant grandson in the rebel army.
The name "Xiao Gui" was buried from then on.
Eighteen years later, the Northern Border Army.
A new recruit named "Chen Nian", with a mystery and an unknown sword, devoted himself under the "Xiao" king's flag that had abandoned him.
From the border troops to the whirlpool of the court, from an unknown soldier to the commander-in-chief of the armed forces.
He walked through mountains of corpses and seas of blood, experienced betrayal and redemption, was torn between hatred and family affection, and chose between homeland and love.