Kasam Durga Ki is an action dacoit drama. The movie is set in the village terrorized by Shahukar and Zamindar and their men, where no one question their actions. A hardworking and honest villager Dhanu start working on a barren piece of land and succeeds in cultivating it, which enrages and makes Shahukar and Zamindar jealous, who gets Dhanu killed for maintaining their position in village. However, the event immensely impacts Raja, Dhanu’s eldest son, who becomes a dacoit and prepares himself to avenge his father’s death. Will he succeed in his mission?