At the Bhanti Village Temple, Korra is being healed by Fire Sages after being ambushed by a dark spirit. Korra doesn't remember who she is, her past lives inform her that she is the Avatar and in order to regain her memories, Korra must find Raava and if she doesn't find Raava she will die and the Avatar cycle will be over. Along the way, Korra meets Wan, the first Avatar from ten thousand years.
—dawsonpersi