What is the main plot of Beijing Opera "Selling Water"?

The main plot of selling water in Beijing opera;

Li Shou's eldest son led troops against the enemy at the border, but was framed, imprisoned and robbed by traitors. The second son, Li Yangui, turned to his father-in-law for help, but Huang didn't help him and ruined his marriage. Li Yangui had to make a living by selling water.

My daughter admired Li's loyalty and refused to dissolve her marriage. She quarreled with her father several times. One day, the maid invited Guiying to enjoy flowers in the back garden to dispel her worries. It happened that Li Yangui was drawing water in the garden, and the maid took the opportunity to invite Li Yangui to meet Huang to discuss the lifelong event privately.

Extended data:

Selling Water is a Peking Opera starring Liu Changyu and Xiao Runde. Teacher Liu Changyu got a 10% discount in Foal of Fire, and created selling water.

At that time, Mr. Liu Changyu, who was about 40 years old, pretended to be a young girl, Mei Ying (named as Mo Ying in "Foal of Fire"). He was like a heaven and man, singing, reading and dancing were excellent, especially showing flowers, which was similar to using flowers as a medium, and his lyrics were refined and elegant.

Wang Wangshu, the actor of Huang, didn't keep up with Mei Ying's performance in 10 minutes. Mei Ying's "Table Flower" is the most brilliant passage in the whole play, and there are many allusions in the lyrics, which shows the talent and wide range of ideas of the lyricist.