Set in the 30's Shandong Province, China, this film shows story of a young couple. The husband devotes himself to the revolution, and the wife takes care of the whole family and goes through a lot of difficulties.

A traitor betrays the anti-Qing forces.

Ma Changqing went deep into the grassroots to understand the situation. He lived in the collective dormitory in the rain and witnessed the practical difficulties of the young workers. At the meeting of the Mining Party Committee, he proposed to solve the housing problem, improve the canteen, prioritize living over production, and propose democratic election of team leaders. Through a series of measures, the mine has undergone great changes. Ma Changqing always does a good job in ideological work in the first place to address the outstanding problems among the young workers.