In early 1990s Spain, eleven-year-old Celia lives with her mother and studies at a convent school in Zaragoza. When Brisa, a confident new classmate from Barcelona, arrives, Celia is drawn into a world that challenges the strict religious teachings and sheltered life she has known. Their friendship pushes her to confront hidden truths at home and the uncertainties of adolescence, leading her to explore questions of identity, independence, and belonging.