Stella is 6 but she is going to school for the first time. Happy, exuberant (maybe too much) she is a lovely child, but is often absent. Her parents say she is fragile. She tells her teacher, Céline, she fell when asked why she has a few bruises. Is it child abuse or real immune deficiency? The doubt is growing in the mind of those who meet the child. Worried, Céline notes ever...