The central character is Father Vergara, who has a criminal past and now conducts exorcism sessions. The main protagonist travels to a small provincial town in Spain, intending to completely change his life. In order to do so, he must leave behind the dark moments of his past, but soon he is pursued by enemies. Additionally, the local reality begins to change, and the infamous coin is to blame...
(Note: "30 Monedas" is a translation for "30 pieces of silver," but it is not mentioned in the original summary. If you would like to include it, please let me know.)