In 1960s China, French diplomat Rene Gallimard falls in love with an opera singer, Song Liling – but Song is not at all who Gallimard thinks.
The heroes of this crime-comedy attempt to get hold of money by a funny trick. They start operating the new post-office of the housing estate a week before the official opening, pocketing the revenue themselves. The inhabitants of the estate do not understand the trick, and loads of money pour to the swindlers.