The situation in the Liang Dynasty changed. The emperor is seriously ill, the throne is suspended, undercurrents are surging between the harem and the former dynasty, and the mysterious organization "Shadow Pavilion" lurks in the shadows, holding a shocking secret edict that can subvert the imperial power. The third prince Xiao Lin, carrying the hatred of his mother and concubine being poisoned, returned to the capital with the secret technique "Tian Ji Ce". The dragon abyss totem on his left shoulder hides the mystery of his life experience. When he steps into this bloody conspiracy, he is destined to become the chess piece that stirs up the storm.