Girona 1989. Sandra and David have been close friends and have shared adventures since their childhood. When they reach adolescence, it seems logical that their friendship will become something much deeper. But an unforeseen event brutally batters each of them separately, changing the course of their lives as students. From that point on, Sandra becomes a survivor and David the keeper of her secret. Together and without ever discussing it aloud, they maintain their relationship as accomplices.
They fall desperately in love, with all the innocence and cruelty of children until life forces Sandra to cross the threshold of that secret, discovering the only thing that David has never told her, a secret that will scar them both for life.