Two devoted sisters find themselves in love with the same man, and in an act of sacrifice, one lets the other marry him. Life seems settled until a newcomer—a man with progressive, socialist ideals—arrives, challenging their traditional outlook and stirring emotions long buried. His presence forces both women to confront their feelings, question the choices they’ve made, and navigate the tension between duty, personal happiness, and changing social values, culminating in a quiet yet emotionally charged resolution.