Two separate episodes that have in common the door which separates good from evil. In the first segment, "Alguien al teléfono", Ángel Magaña tries to avenge the death of his sister, a girl who commits suicide over gambling debts…
When a woman discovers her husband's infidelity, she decides to get divorced. But he still loves her, and learning that another guy has fallen for her, decides to change places with him. He would be the lover.
