Set during the Ming Dynasty, the story revolves around the romance between General Xu Lingyi and the concubine's daughter Shiyiniang that starts from an arranged marriage. Despite being born with a low status, Luo Shiyiniang is extremely assertive and believes that a woman's vision should not be limited to the household. She hopes to rely on her embroidery skills as a ticket to freedom. However, the once esteemed Luo family is in a state of decline. Hoping to save the clan through a marriage alliance, Shiyiniang is selected to become the wife of Yongping Duke and great general Xu Lingyi. Things were not easy for Shiyiniang due to the Xu family's biases towards her. Nonetheless, she manages to win over their trust through her optimism and sincerity. Xu Lingyi also becomes attracted to Shiyiniang's various beautiful qualities such that husband and wife manage to find love after marriage.

Set in 1936, the show takes viewers, old and new, back to the lavish world of Belgravia, London. A new set of occupants reside at 165 Eaton Place and viewers see how external and internal influences of the tumultuous pre-war period shape and mould the lives of this wealthy family and their servants.‬

In a vast and mysterious multiverse with fantastic alternative realities, a metaphysical entity has a whole plan behind it, in order to protect the timeline of an island using a book that can see the past, present and future as if it were a full script.