Lohengrin
In Brabant, Elsa is accused of murdering her brother. A mysterious knight arrives by swan-drawn boat, defeats her accuser and agrees to marry her on the condition that she never ask his name or origin. Ortrud and Telramund undermine Elsa’s trust, and she eventually asks the forbidden questions. The knight reveals himself as Lohengrin, a Knight of the Grail, and must leave; he restores Elsa’s brother Gottfried from swan form, and Elsa dies as he departs.