Juan and his wife, Dolores, accompanied by her sister, Mercedes, and Manuel, who is in love with Mercedes, attend the fiesta. There Don Jose, a toreador, is smitten by Dolores, and attempts to force his attentions upon her, which she repulses. Juan has made his wife a present of a beautiful shawl. In the course of the evening Mercedes, feeling chilly, borrows the shawl and with her lover, Manuel, seeks a secluded nook. There they are seen by Don Jose, who, recognizing the shawl, thinks that Dolores has repulsed his attentions, only to accept those of another. He immediately hastens back and informs Juan of what he supposes is the perfidy of Dolores and takes Juan and show him the couple. Juan also recognizes the shawl, thinks that his wife is unfaithful to him, hurries home and secures his pistol. Jose stands at the door watching Juan, who is now on his way to revenge the stain upon his honor, when in walks Dolores, seeking her husband. Don Jose is aroused from his drunken stupor, questions Dolores and finds that it is not she, but her sister whom he saw. He realizes the harm he has done her and the danger in which he has placed Mercedes and follows Juan in an effort to prevent the horrible crime which Juan is about to commit. Juan has returned to the spot where he saw the lovers, raises his pistol and fires, but the gun misses and he is about to raise his pistol for another shot, when Don Jose rushes in, grabs the pistol, explains to Juan that it is not his wife that he sees in her lover’s arms, but her sister, who has borrowed the shawl and that his wife is at home seeking him. He persuades Juan to leave and when they come to the sister they see Dolores searching for Juan. Juan is conscience-stricken for the suspicion he has cast upon his wife and takes her in his arms.