约瑟芬，柔美的月光洒下，映照着繁星点点的夜空，令人心醉神迷。一号内线

　　Juan, a prison officer, silently observes the visit every Sunday of Berta, mother of one of the imates. The day he finally approaches her, he surprises himself by pretending to be another visiting father and inventing a daughter inside the jail: Josefina. The need to fill the vacuum of their lives prompts Juan and Berta to continue meeting outside the reality around them.