'Sivasya hridayam vishnur-vishnoscha hridayam sivah' Vishnu is the heart of Shiva and likewise Shiva is the heart of Vishnu'. Harihar, the combined form of Hari that is Narayan and Har that is Mahadev represents the concept of oneness of all existence. Meet Amarsri, the feminine physical embodiment of Harihar, see how she takes part in the Mahabharat and becomes the Krishna of Suryaputra Karna.