For three years now, Armelle has known she likes girls. A lonely bookworm, she confides her fears and hopes to her blue notebook. There she tells of Inès, a new student she finds attractive. When her friend violently rejects her advances, Armelle becomes the target of her classmates' scorn and insults. Then, when her parents discover her secret, they throw her out. She's only sixteen the night she sees the door to the only home she's ever known slam shut in her face. Alone in the streets with her notebook, she must learn to survive… But is she truly alone?