A teacher whose true vocation is that of a bullfighter and, since bullfights are frowned upon in Catalonia, he is having a hard time working on what he likes. The crisis will force him to work in a theater performing a pornographic act to replace his partner's partner, whose social security problems have forced him to leave his job.

Antonio Castro, Sinatra, is a fighter of life working in an old cabaret in Barcelona imitating Frank Sinatra, accompanied in his show by Groucho Marx, Marlene Dietrich and Lola Flores. But one day, the sky dresses in gray for him; his wife, who works as a waitress in the same place, decides to leave him.