Can you tell me if Qinqin Jinsha Beach and Lower Hedong are the same emperor? What is the background of their plots?

Not the same one, "Golden Beach" is Song Taizong Zhao Guangyi, "Downriver East" is Song Taizu Zhao Kuangyin

"Golden Beach" story background is as follows:

In the early years of the Northern Song Dynasty, Liao and Song were at loggerheads, and Song Taizong Zhao Guangyi was at Mount Wutai to pay his respects, and the king of the northern kingdom of Liao set up a poisonous plan to set up a Hongmen Banquet in Youzhou, inviting the Song king to attend the "Two Dragons Meeting".

The king of the northern kingdom of Tianqing Liao set up a poisonous plan and invited the king of Song to the "Double Dragon Meeting" in Youzhou.

I don't want to be the Golden Sword Yang Jiyi cracked, make Yang Dailang pretending to be the King of Song, with seven wolves and eight tigers Yang's sons and daughters to go to the meeting, during the mutiny, Liao and Song armies fought in a bloody battle on the Golden Sands Beach, Dailang shot the King of Tianqing with his sleeve arrows, Dailang, Erlang, Sanlang, together with the battle, Dailang, Erlang, Eighth, captured lost in Fanshihuang, Fifth, to see through the world of the five home, the seventh, to kill out of the siege to move rescue not to be the treacherous Pan Rengmei, the rescuer does not come, the rescue troops. Yang Jiye with six Lang death battle two Wolf Mountain, father and son killed scattered, the old Linggong angrily touched the Li Ling monument.

The plot of "Downriver East":

The legend says that during the Qiande period of the Northern Song Dynasty, the treacherous Ouyang Fang colluded with foreign invaders, plotting to seize the Song Dynasty, and Zhao Kuangyin, the Great Ancestor, was not sure of the truth and ordered the traitor to be commander-in-chief. Huyan Shouqing for the vanguard, went to Hedong, Ou fear that the plot was exposed, falsely accused the vanguard of rebellion. Zhao Wang passed the vanguard without asking the reason was killed by Ouyang Fang first. In order to eliminate the root and branch, Ou sent troops to decapitate the Huyan family, Huyan Shouqing's mute son Huyan Zan fell on the way to escape to be able to speak, was righteous uncle Luo Hongyin rescued on the mountain, and personally taught his siblings to practice martial arts. Fifteen years later, Huyan Zan and his sister full wings, take the opportunity to go down the mountain, chasing the king to catch up with the driver to avenge his father.