A mystery melo who depicts the story of a dangerous woman who may be a serial killer, and a man who falls in love while tracking her.

Jake and Neytiri's family grapples with grief after Neteyam's death, encountering a new, aggressive Na'vi tribe, the Ash People, who are led by the fiery Varang, as the conflict on Pandora escalates and a new moral focus emerges.

Follows Ember and Wade, in a city where fire-, water-, land- and air-residents live together.