Celia is an 11-year-old girl studying at a nuns' school in 1992. She’s is a good girl; she is a responsible student and a considerate daughter. The arrival of a new classmate opens a little window through which Celia discovers a whole new world. Together with her new friend and some older girls, Celia enters a new stage of her life: adolescence, the stage of first-times. Her body needs to experiment, try new things, and stop being a little girl, even if that entails confronting her mother and everything that means comfort and security.