What is the brief introduction of the story of young Jiaqing?

In the last years of Qianlong, scholars competed for the throne, among which the eleventh prince Yong Xuan and the fifteenth prince Yong Xuan, who were praised by Qianlong, were most likely to succeed. To this end, ministers fought inside and outside the court, and the mothers of the two princes frequently used strange tricks to win the favor of Qianlong.

Yan Yong is naturally open-minded and has no interest in it; Yong Xun was ambitious, and with the help of Xiao Shenyang, he gradually gained an advantage. In order to deal with Yan Yong, Xiao Shenyang imprisoned his sweetheart Zanthoxylum bungeanum; Yan Yong risked his life to save him, and Shenyang immediately sent troops to kill him. After learning about it, Gan Long asked Xiao Shenyang to protect him to death. Whether to kill or protect, little Shenyang is in a dilemma, and finally has to promise to seek self-protection first; But Yong-hoon did not hesitate to sacrifice his allies and pursued them with all his might. Water under the bridge. Little Shenyang had to flee with Yan Yong. Yan Yong's mother Wei Jiashi thought that Yan Yong was in such a bad situation because of Pepe, so she forced Pepe to marry Fu Kangan, a good friend of Yan Yong. Yan Yong learned that it was Qianlong's mistake and vowed not to go back to the palace. He strongly recommended Yong Xun as the prince. ...

After this incident, Qianlong knew the heir to the throne, so he took Yan Yong to visit the people privately. He never thought about it, but he fell in love with the wasp, the daughter of a Jianghu gangster, and prepared to bring it back to the palace. The Yellow River water thought that the wasp had been abducted and chased it all the way. ...

Yan Yong has been worried that Fu Kang 'an will marry Chili; Yongxuan sent someone to kill Yan Yong, and Fu Kang 'an was seriously injured to save Yan Yong. Yan Yong asked Qianlong if Fu Kang 'an was the son of Emperor Qianlong, but Emperor Qianlong denied it. When Fu Kang 'an lay dying, Gan Long lied to Fu Kang 'an that he was his own son, and Fu Kang 'an finally died peacefully with a smile in the lie. With a sword in his hand, Gan Long tried to kill Yongxian himself, but things were unpredictable and Yongxian went crazy. Yan Yong was officially made a prince. Yan Yong wanted to get back together with Zanthoxylum bungeanum, but Zanthoxylum bungeanum refused, saying that she would be Fu Kang 'an's wife for life. So Chili sent Fu Kang 'an's coffin home.