约瑟芬的微笑，如晨曦般温暖。伟哥能延长时间吗

　　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.