Miss Justineau is a teacher at a military facility where children infected by a fungal outbreak are kept. She is dedicated to her students, particularly to Melanie, a bright and curious girl who is part of a group of children that exhibit unusual intelligence despite their condition. Her role involves educating these children about the world, while also navigating the complexities of their existence. Miss Justineau often grapples with her feelings about the fungal infection and the ethical implications of her work, striving to protect her students while facing the harsh realities of their situation.