Original: The story tells of dragon-slayer Siegfried at the court of the Burgundians, how he was murdered, and of his wife Kriemhild's revenge.
Simplified: It tells the story of dragon-slayer Siegfried at the court of the Burgundians, and of the revenge of his wife Kriemhild, which leads to the death all the heroes of the Bugundians and of Kriemhild as well.