<Chinese TV Series NOW> ”Bakufugin: False Princess, Love in the Desert” 2 EP4, everyone heads to Sanjiang Castle = Synopsis and spoilers

※The synopsis and spoilers are included. In the Chinese TV series "Bakufugin: False Princess, Love in the Desert" 2EP4, everyone heads to Sanjiang Castle.
After Huo Qingyun and Huang Beishuang got married, Ruo Wen realized that it would be difficult to survive in Fentian, so he decided to attack Yunpei.
Ge Xinwei proposed cooperation with Huo Qingyun. Na Zhan was convinced that Huang Beishang was still alive, and took Yanaqiu hostage to negotiate the handover of Huang Beishang's body and negotiate peace.
Huang Beishuang made a change to the Great Vast Strange Scroll as a way to temporarily restrain Nazhan due to Yana's crying. After receiving a request for help from Ge Xinwei about the collapse of Fen Tian, Huang Beishuang contacted Rong Lao.
Rong Lao asserts that Nazhan cannot decipher the secrets of the Great Vast Mystery Scroll, and entrusts Huang Beishuang with the clues left behind in Sanjiang City by the missing Rong Ruo. Huang Beishuang switches faces with Ge Xinwei and
Ruo Wen is worried about Ge Xinwei's safety and heads to Tiandu, but Rong Lao explains the mission of the Rong clan and the importance of cooperation with Huo Qingyun. When Ruo Wen learns that Ge Xinwei is heading to Sanjiang City, he changes his mind.
Suspicious of the transformation, they tail him. Huo Qingyun notices something strange about Huang Beishang and suspects him to be an impostor, so he pursues him. Nazhan also learns that everyone is heading to Sanjiang City and gives the order to eliminate them.