Germán Cipriano Gómez Valdés Castillo, a young radio announcer from Cuidad Juárez, succeeds in drawing attention to the pachuco movement through his character Tin Tan, laying the groundwork for a new form of binational and mass linguistic expression: Spanglish. He soon became a leading figure in theater and film on the American Continent. Singled out by critics as a destroyer of the language, he quickly won the approval of the public. His ability to improvise revolutionized the film industry. His talent as an actor, singer, dancer and comedian contributed to the Golden Age of Mexican Cinema. From El Hijo Desobediente to Capitán Mantarraya, from Cuidad Juárez to Havana, from mambo to rock, the legacy of Tin Tan makes him one of the great icons of Mexico today. This film tells his story as it has never been told before.

To conquer the beautiful vedette Rosita, journalist Tin Tan is subject to her whims. Fired along with his friend Narciso from the newspaper they worked, Tin Tan trying to sell a movie plot. A woman looking to buy it and Tin Tan will visit her in a gloomy mansion where a mess is unleashed.

A humble provincial writer who wants to publish his first book offers it to a film producer who is looking for locations for a film at that time. The novelist's family then moves to the big city, where they will have to face many adversities that will make them wish they had never left their village.

In a neighborhood of Mexico City, inhabit different characters. From a hardened general, suffering from delusions of persecution, to a recruit; two brothers dedicated to teaching music; two treasure hunters restless, and a friendly concierge who lives with her son, the popular Gordolfo Gelatino.