Hagen, the Nibelung's son, has managed to make Siegfried unwittingly drink a love-potion with Gutrune, which causes him to forget his own bride, Briinnhilde.
Compare the mere fairy-tale mystery of Lohengrin's command that Elsa shall never ask to know his name, with the profound fatalism of Isolde's love-potion.
Tristan and Iseult set sail for Cornwall, Iseult accompanied by her waiting-woman, Brangaene (who, in some versions, is also a kinswoman), to whose care the queen, skilled in magic arts, confides a love-potion.
Like the story of Perceval that of Tristan has been made familiar to the present generation by Richard Wagner's noble music drama, Tristan and Isolde, founded upon the poem of Gottfried von Strassburg; though, being a drama of feeling rather than of action, the story is reduced to its simple elements; the drinking of the love-potion, the passion of the lovers, their discovery by Mark and finally their death.
He uses the money to buy a love potion and looks forward to a night of pleasure.