Which dynasty is the story of Lonely World?

The lonely world is a story of the Northern Zhou Dynasty.

Based on the turmoil in the ruling and opposition parties in the late Northern Zhou Dynasty in ancient China, the play tells the story that the three daughters of Du, Prajna, Galo and Mantuoyin, as important ministers, gradually changed from noble families to royal daughters.

：

"Lonely World" is a costume court strategy drama directed by Shu-Pui Hou and Chi Wai Laam, written by Andy, starring Hu Bingqing, Andy, Jeremy Jones, Yixiao Li, Hansen, Huang Wenhao, Zou Tingwei, Lu Xingyu, Li Ruichao, Zhao Yixin, Gao Siwen and Liu Shuai, with An Yixuan as the special star.

The play is based on Dugu Galo. Dugugalo is topical and controversial. She is not only called the first person who advocated monogamy in the history of China, but also defined by historians as "the queen of a virtuous princess" and "the queen of a poisonous woman".

Both the official history and unofficial history recorded the following stories: Emperor Wen of Sui made a promise of "no children and no daughters" to Dugu Galo; After Dugugalo assisted Emperor Wendi in establishing the Sui Dynasty, Emperor Wendi created a historical record for her-Dugugalo became the first queen in China history to personally participate in the establishment of the female official system.

Reference: Dugu Tianxia (20 18 TV series starring Hu Bingqing and Andy) _ Baidu Encyclopedia