The plot describes a scientist re turning home after completing his studies, who is impressed by the Communists 'apparently high efficiency, and the new atmosphere on the mainland.
男主角沈毅夫是一名學成歸國的傑出科學家，受中共當局禮聘為科學院副院長。故事敘述他剛回國時，對共產黨充滿了美麗的幻想，對未來也有無比的憧憬。