- Background: In the Dayin Dynasty, the imperial power was unstable, kings competed for the heir apparent, and aristocratic families and royal families checked and balanced each other.
- Offensive/Powerful Minister: Xie Linyuan
- Identity: The current Taifu and Minister of the Ministry of Civil Affairs, in charge of the assessment, appointment and dismissal of officials, with power over both the government and the public.
- Personality: On the surface, he is as gentle as jade, but in reality, he is very deep, ruthless, and can express his emotions and anger.
- Position: Neutral to the outside world, but in fact, it is secretly planned and has its own ambitions and obsessions.
- Shou/Prince: Xiao Jue
- Identity: The seventh prince. His mother and concubine died young, and his maternal family has no power. He is regarded as an "idle prince".
- Personality: He seems to be cynical and indulges in poetry and wine, but in fact he is intelligent and sharp, tolerant and restrained, and good at disguise.
- Situation: To survive in the struggle for the right to inherit the throne, you must navigate between kings and powerful ministers.
- Relationship tone:
- Old feelings/grievances from early years
- Now they appear to be monarchs and ministers, but in fact they are testing each other, using each other, and getting entangled again in confrontations.