Life goes quietly in a traditional neighborhood of Madrid. Two beautiful girls, Susana and Casta, trade workers in the area, accepting mature attentions of a pharmacist, Don Hilarion. This affection dislike the young Julian, who is in love with Susan. Third movie version of the famous zarzuela by Tomas Breton. With musical arrangements by Gregorio Garcia Segura, the film tries to update the original story to fit the Madrid of the 60's.

John is a shy and good-natured man who lives in Ceuta and does everything by correspondence, from studying a career or learning judo to getting a girlfriend. She is from Madrid and the time has come for Juan to meet her so he takes a boat to the peninsula. In the boat he coincides with Maria, a beautiful young woman who goes to the capital to study chant and which he had previously met accidentally. During the trip, foreign smugglers try to use John to pass inadvertently stolen diamonds in Tangier.

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.

The biblical story of The Messiah from his baptism through his crucifixion.