What are the main contents of 30 words written by Liang Shanbo and Zhu Yingtai?

The main content of butterfly lovers is: Zhu Yingtai disguised as a man and met Liang Shanbo. His parents didn't agree, so he became a butterfly.

In the Western Jin Dynasty, a woman named Zhu Yingtai disguised as a man, met Liang Shanbo on the way, went to school together, and finally became sworn brothers. Three years later, when I returned to my hometown and found it was a woman, I proposed to him, but my father, Mr. Zhao, disagreed.

Finally, Zhu Yingtai married a rich boy, and Liang Shanbo was heartbroken and died soon. Zhu Ying drove past Liang Shanbo's grave on his way to the rich boy and begged his father to let her have a look. His father agreed to ask. She burst into tears, Zhu Yingtai jumped down and the grave closed again. Suddenly, two people died, and two butterflies flew out of the grave to answer.

Brief introduction of Liang Zhu:

Butterfly lovers is one of the four ancient folk love stories in China (the other three are the legend of the white snake, the legend of Meng Jiangnu and the legend of the cowherd and the weaver girl). It is the most attractive oral inheritance art and national intangible cultural heritage in China, and it is also a folk custom in China that has a wide influence in the world.

Since the Eastern Jin Dynasty, 1700 years has been circulated among the people. It can be said that China is a household name, spreading far-reaching, and is known as the eternal swan song of love. Throughout the ages, countless people have been infected by butterfly lovers's tragic love. Liang Zhu's legends and love stories are real events in history, which are proved by historical materials and cultural relics.