The Su family was once the head of the civil servants of the previous dynasty, but was involved in a shocking conspiracy and was executed. The young Su Yanyu survived by hiding in the dark compartment of the cold inkstone pool. From then on, the word "Yanyu" became a blood feud that he carried. He remained anonymous and returned to the peak of power through the imperial examination. He walks at the intersection of light and shadow. He is not only the most trusted "lone minister" of the current emperor, but also the chess player who secretly stirs up the situation and wants to completely reveal the truth of the old case.
