Impoverished priest Harihar Ray, dreaming of a better life for himself and his family, leaves his rural Bengal village in search of work. Alone, his wife, Sarbojaya, looks after her rebellious daughter, Durga, and her young son, Apu, as well as Harihar's elderly aunt Indir. The children enjoy the small pleasures of their difficult life, while their parents suffer the daily indignities heaped upon them.

Bikash never devotes enough time to his wife, Karuna. Soon, she begins to find solace in the company of her childhood friend, Ashok, destroying their marriage all the more.