Valencia, Spain, in the early 1950s. Salvador and María, two unfortunate people, meet by chance when she takes shelter from the rain at the Oriente Cinema, where he works as a manager.

In a small Catalan village take advantage of the visit of an ecclesiastical authority of Rome, during vacations, to organize a conference on the topic of religion and sex. This causes the people to divide into two camps, those who favor and those against the "Congress", until finally after a series of negotiations between both sides, we arrive at consensus. A large mosaic of characters carry the story to end happily, through critical situations with the conservative church.

Fierce portrait of a leftist student who betrays his girlfriend in order to kill a rich man with high political influence.