In the mid-19th century, California, a Mexican territory, became part of the United States. Faced with the possibility of being dispossessed of his land by the new authorities, Don César de Echagüe, a Spanish nobleman, asks his son César, a capricious and insufferable fop, for help.

Clementina befriends Lola’s nerdy lawyer, Valerio, and slowly a romance develops between them. Meanwhile, old fisherman and model-maker Colo has found a consignment of drugs floating in the sea and tries to get rid of them to raise money to save Lola’s house. The adventure element of pic is in a smuggling gang’s attempt to recover the drugs.

The 200th episode of the popular Spanish series "La que se avecina" received special screenings in more than 40 cinemas across Spain ahead of the premiere of season 16. The plot is an alternate history where the series' characters live in the Wild West.