On a Flame Kingdom island, a girl appears outside a haunted forest with no name and no memories. Each of the Four Kingdoms is ruled by a sacred element (earth, fire, water, wind) that chooses Its Host, the person who will wield Its power and lead the kingdom into prosperity. Raised by a kind Fire priestess, the girl with no memories grows up alongside those who suspect her of being cursed and have nicknamed her Ghost. At sixteen-years-old, with nowhere to belong to, Ghost steals the sacred Fire and demands to be Its Host. When she realizes she has no control over her new powers, she runs away into the haunted forest she once came from, afraid of the destruction she’s now capable of. Meanwhile Khienn, the Host of the sacred Tree, is studying...