Zhou's husband died in the Cultural Revolution. She lived arduously with her only son. Lo, a kind postman, helped her during her hardest time.

Based on the old tale of Du Shiniang, a courtesan who falls in love with a student.

Wenxiang is sent away to the mountains to focus on his studies. He stays in a nunnery, with which his family has a long history, and encounters a strange girl.

Two underground CPC love each other, but never say it until they are betrayed by a traitor and executed by the enemy.