An Incense Jade Case, a first-degree Chinese cultural relic, is incidentally discovered by the policemen of an anti-smuggling department of the Customs when they inspect goods mailing overseas. Then the Customs and Police Department carry out a life-and-death fight with the smuggling clique.

Adapted from a novel of the same title, this film depicts a young woman’s transformation from housewife to loyal Communist. This process is presented as “natural” – possessed of inherent logic rather than merely “incidental”. Hence, the film is really about Communist revolution that won over the hearts and minds of Chinese youth.

Set in the summer of 1976, people and stories in the disaster relief after a violent earthquake.

With the fishermen's life on the southeastern coast in the early 1960s as its background, the film depicts a group of militia women who work both as fisher women and fighters defending their homes and the motherland.