The relationship between Swami Vivekananda and Sister Nivedita has been enigmatic to some and unknown to many. The author has beautifully depicted their spiritual relationship along with giving an insight into what Swami Vivekananda expected of Sister Nivedita in her Indian work. This is an edited version of an article published in 2015 issue of the Bulletin of Ramakrishna Mission Institute of Culture, Kolkata.