The cold-blooded general Xiao Jingyan guarded the border for more than ten years and refused to marry the unruly princess Chu Mingzhao. Unwilling to be humiliated, the princess disguised herself as a man and went out of the palace to investigate. The two fell in love with each other without knowing their identities. When the conspiracy and the truth intertwined, they joined hands to fight against the undercurrent of the court, and finally put down the shackles of their identities, retired to the world, and became a loving and loving couple.