This documentary is dedicated to the traditional weathermen who, according to the anthropologist Julio Glockner, are specialists in the magical management of the weather. They are people who instruct starting from a ''sign from heaven'' Such characters are not the volcano's guards: they are missionaries who ''complete the destiny'' of communicating with ''Gregorio Chino Popocatepetl'' through dreams and completing the rituals that will bring about prosperous times on earth.—Clío TV