Simón is an aspiring novelist who makes a living designing crossword puzzles for a newspaper. One day he receives a threatening message instructing him to include the word "adversary" in a puzzle as Seville gets hit by a series of violent attacks.
Nazario is a wanderer who makes his living playing an old guitar in the streets of Madrid. From what he gets, he lives together with Sam, an orphan of eight years, which he hosted for charity and adores. The problem is that a wealthy and childless marriage intends to take the child
A telepathic nightclub act becomes the backdrop for murder.
In a western and Mediterranean country, very fond of bullfighting and soccer, legislative elections are held, that is, "El Gran Mogollón" is elected from the bosses. Each leader feels that his position is secure, and some are preparing to take the presidency of "El Gran Mogollón", when the surprise arises: the P.E.R. has won by a wide margin.