The Little Mermaid

The original story of the Little Mermaid, by Hans Christian Anderson, ends with the prince marrying another princess, while the heart broken Mermaid, who silently endures the agony of walking on swords for the prince, contemplates the his murder, but ends up committing suicide by jumping into the ocean, only to become the foam of the sea eternally. A newer, slightly less grim version narrates how she becomes the daughter of the air , waiting for 300 years to reach heaven. But in none of the versions does she get to marry the prince, as a human, because her fate has death written in it.