There were three sisters — Vera, Nadezhda and Lyubov. Vera, having survived unhappy love, goes to the monastery, where she gives birth to a child. The child dies, Vera commits suicide. Lyuba and grandmother attend church and maintain relations with priest Aleksandr. To Nadezhda that condemns their religiosity, it seems that Lyuba is in love with father Aleksandr. She comes home to him and demands that he stop dating Lyuba. However, it turns out that Aleksandr is in love with Nadezhda. Knowing him better, she reciprocates him, facing a difficult choice, Aleksandr breaks with religion.