What is the content of the opera Bilanhua?

Turandot is a three-act opera adapted from a pantomime by the famous Italian composer Puccini Giacomao. This is one of Puccini's greatest works and the last one in his life. Turandot told people a legendary story of China imagined by westerners. Appearance: Turandot (Chinese princess, soprano), Altug Mu (Emperor China, tenor), Timur (exiled king Tatar, bass), Calaf (son of Timur, prince Tatar, tenor), Liu Er (handmaid of king Tatar, soprano), Ping (. Tenor) In addition, there are officials, people, guards and young monks in China. Turandot, a princess of the Yuan Dynasty in China, ordered that if a man could guess her three riddles, she would marry him. If you guess wrong, you will be executed. Three years later, many unfortunate people lost their lives. Calaf, the prince of Tatar in exile in China, met his father Timur and maid Liuer, the Persian prince who failed in guessing boxing and Turandot who was personally executed. Prince Calaf was attracted by the beauty of Princess Turandot. Despite the opposition of his father Liu Er and three ministers, he answered all the questions correctly. The answers to these three puzzles are "hope", "blood" and "Turandot". But Turandot refused to admit defeat, betrayed his father and refused to marry Prince Calaf, so the prince made a puzzle himself. As long as the princess knows his name before dawn, Calaf will not marry the princess, but will be put to death. The princess caught the prince's father, Timur, and the servant girl, Liuer, and tortured him to extract a confession. Liu Er committed suicide as a sign of keeping a secret. Calaf accused Turandot of being heartless. At dawn, the princess didn't know the prince's name, but the prince's strong kiss melted her cold heart, and the prince also told the princess his real name. The princess did not announce the real name of the prince, but announced that she would marry the prince of the world. The prince's name is "amora".