"The Phoenix Cries in Prison" is an ancient sadomasochistic plot novel with ups and downs. Su Qinghuang, the legitimate daughter of a general, and Xiao Linyuan, the seventh prince, met in their prime and fell in love for life. However, a sudden change occurred on their wedding day. The Su family was falsely accused of treason and was overthrown. She was reduced from a princess to a concubine, but he was actually the one who was ordered to investigate. After being humiliated and losing her flesh and blood in the prison of the palace, she faked her death and escaped, returning under an assumed name. When the truth is revealed - she is actually an orphan from the previous dynasty, and the murder involved the deepest conspiracy of the imperial power. The former lovers have to make a difficult choice between the hatred of the country and the family and the unquenched love. In the end, she went to the border to guard the country, while he stayed alone in the capital for the rest of his life, with a box of candied fruits every winter solstice, no words for ten years, and no words of love.