A young Bangladeshi woman, Nazneen, marries an older man and moves to London's Brick Lane, where she lives a confined life until a chance encounter with a charismatic activist sparks a personal awakening and a crisis of faith. As her marriage strains and her younger sister faces hardships back home, Nazneen must navigate her desires, responsibilities, and a growing sense of self. Her journey culminates in a difficult decision that will redefine her future.