Spain, XVII century. Two students, Felipe and Pastrano, who left an annoying university, decide to look for happiness in Madrid.
Rivalry between two powerful Italian families becomes more intense when plans go wrong over an arranged marriage to end the fighting.
Don Juan leaves Venice and gets back to Seville, his home city. When he arrives there, he learns that his father is dead and has left all his properties to him, on codition that he marries Doña Inés. Don Juan makes up a former marriage, but when he meets her he becomes fascinated by her beauty.