Evelino Galindo, the serious owner of a porcelain store, argues with the womanizer jeweler Orcajo for an insignificant game of dominoes. Evelino, enraged, challenges him the next day to a duel in the gym. But after meditating a bit he starts to get scared. That is why, with the help of his friend Leoncio, he sharpens his wit to find a way to escape from combat. However, the situation is becoming more complicated.
Rafael is an aspiring bullfighter who seems more interested in the world of song. However, his father, Mr. Manuel, a good man although somewhat stubborn, will do everything possible to dress himself up. This will lead to a confrontation between father and son.