Title of the book: "Double Sacrifice"
Heroine: Ling tide, the seventh concubine princess. Her biological mother died young and she has a gentle temperament. She originally wanted a stable life, but later she was ordered to have two women. She inherited the lineage of her sect and her sister, Princess Zhaoyang. She spent half her life as a shadow of death and was trapped in a cage all her life.
Three male protagonists:
Xie Heng|The crown prince of Zhenbei, he kills the unruly, the young man falls in love with Zhaoyang, rejects fame and fame for love, and is obsessed to the core;
Su Jin|Marquis Wenyuan, a gentle poet, spent half his life writing for Zhaoyang, wrapped his sword in tenderness, and loved without crossing;
Lu Ci|The legitimate son of the imperial censor, he is cold and lonely, hides his feelings, watches Zhaoyang from a distance for many years, and restrains his paranoia;
Background: In the third year of Yong'an, the eldest princess Zhaoyang died of illness and remained unmarried and had no children. The emperor's obsession was difficult to overcome, so he ordered the seventh princess Lingxi to have two wives. Later, he decreed that three young men from aristocratic families who were infatuated with Zhaoyang would be given in marriage to the princess, and a deep palace sadomasochism began in which the deceased was replaced by the living, the love was wrongly paid, and Ling Xi was dragged to the end.