Marina, an 18-year-old Catalan, arrives in Galicia for a simple administrative process: to obtain a document officially establishing her filiation. Orphaned since childhood, she meets for the first time her grandparents, uncles, aunts, and cousins, a biological family of which she knows almost nothing. In the course of the revelations about the unspoken of the past, Romería explores the traces left by a generation marked by the tragedy of AIDS and the taboos that surrounded her.