Don Juan, expelled from Madrid for the murder of Commander de Solva, secretly returned with his servant Leporello and hiding at the monastery cemetery in the vicinity of Madrid. He recalls past adventures and is going to re-enter the city to take on the old. From a monk, Don Juan learns that Donna Anna, the widow of the same Commander, visits the cemetery every day. Seeing her, Don Juan realizes that he must meet her.
Laura has guests, and she sees many of them for the first time. She entertains them with songs, one of which is written in the words of Don Juan, the former lover of Laura. The hot-tempered Don Carlos is furious, which almost disrupts the plans of the conspirator guests. Laura sings again, but realizes that everyone is not gathered for her songs. She sends out guests, leaving only one Don Carlos. Having seduced him, Laura learns about the conspiracy against Don Juan. At this moment Don Juan himself appears.
The fight is inevitable, and Don Carlos insists that it take place immediately. Don Juan kills Don Carlos, and Laura shows him a list of conspirators. The solitude of Laura and Don Juan is violated by bursting conspirators, but Don Juan manages to escape.
Don Juan is again in the monastery: he is hiding there under the guise of a hermit. Every day Donna Anna comes to her husband's grave. Don Juan meets her, calling himself Don Diego. Donna Anna agrees to take him the next day at her home. Leporello tries to warn the lord about the danger, hinting that the Commander's death was not forgiven him, and the circle is closed. Don Juan challenges a bold challenge to fate: he invites the Commodore himself for tomorrow's meeting - a symbol of the system, autocratic tyranny and total control in the state. Leporello apologizes for the betrayal - now he understands that Don Juan knows: it was he who led the conspirators to Laura.
Room in the house of Donna Anne. Don Juan spends the night with her, but is forced to leave his beloved. He can no longer hide the truth from Donna Anna: he confesses to killing her husband and immense love for her. In the heart of Donna Anna there is no hatred, she is aware of her love in return. Don Juan is dreaming of a new meeting, but the servants of the “stone guest” have already come after him. Not wanting to give up, he extends his hand to them as a symbol of freedom and love. They kill him.