The film follows the rise and fall of a family in Shanghai. Once wealthy and capitalist, the family unraveled during the Cultural Revolution in the 1960s and 1970s. Their home, once a French concession mansion, was converted into a multi-family dwelling.

Shanghai, China. The last expatriate Westerners still living in the city are imprisoned in a hotel by the communist authorities in order to find the spy hiding among them.

Through much blood, sweat and tears, a young man rises to the top of Shanghai's secret society, but his moment of glory is brief compared to what he has endured.

A sunshine of about 26 years old, a pure wedding dress designer working hard in Shanghai to strive for his dream, of course, accompanied by this failure, in the low point of his career, he has long endured other people ’s incomprehension, ridicule and even use, but he Still grateful. After repeated failures, he not only realized his dream of starting a business, but also moved others with his persistence, kindness, generosity and tolerance, and harvested his own love story.

A failed product copywriter (Drago Lazetich) with an alcohol dependency crosses paths with a mysterious stranger (Émilie Ohana) on a personal mission, and together, they embark on an unforgettable adventure across the neon-lit Shanghai.

The film mainly tells the story of Chang'e and Hou Yi's mutual love, but they are separated by a misunderstanding. In order to restore her love, Chang'e, with the help of Tian Peng, she reverses time and space and tries to change history. Can Chang'e and Hou Yi reunite?