The film consists of a series of tightly interlinked vignettes, the most sustained of which details the story of a man and a woman who are passionately in love. Their attempts to consummate their passion are constantly thwarted, by their families, by the Church and bourgeois society in general.

Un Chien Andalou is an European avant-garde surrealist film, a collaboration between director Luis Buñuel and Salvador Dali.

In the fictitious island of Ojeda, people lives a dictatorship and the island is a penal colony with ordinary and political prisoners together. When the Governor Mariano Vargas is murdered by a sniper, his idealistic secretary Ramón Vázquez is assigned director of security in charge of the prison. Vázquez is in love with the widow Inés Rojas and they have a love affair. But when the new governor Alejandro Gual Miguel arrives in the island, he wants Inés to be his lover. Further he forces the killer to sign a false confession telling that Vázquez is the responsible for the attempt against the previous governor and blackmails Inés. But Inés is a female fatale that knows the political games and manipulations.

As a young woman, Tristana is orphaned and taken under the guardianship of Don Lope, a respected member of the community, who takes advantage of his innocent charge. When Tristana falls in love with artist Horacio, she must learn to be more assertive in order to achieve independence from her nefarious guardian, or her blossoming relationship with Horatio is doomed.