There is frost in the sleeves and blood between the brows. Xie Zhaoxue uses the piano as a blade to take revenge step by step with blood marks all over her door; Xiao Hanyi carries the sins of the past and struggles between the blade and his conscience. Liu Wuyin's harp hides the fragments of memory, the embers of poison drips with the ashes of atonement, Chu Yunshang's phoenix crown hides the secret of blood relatives, and Mo Wuchen's blind eyes see through the nine secrets of heaven. When the frost blade pierces the dragon chair, who is the real regicide?
