Kate's mother, who is a queen, marries Anne's father, who is a king. Anne is prettier than Kate, so the queen consults with a henwife, who after two tries manages to replace Anne's head with a sheep's one.
Kate discovers this, wraps Anne's head with a linen cloth, and takes her by the hand to lead her as they go out to find their fortune.
When they asked for lodging, they found a king's castle, where there were two princes, one of whom was sick, and anyone who stayed the night with him vanished. Kate took the job.
The next night, the prince got up in the darkness and rode off. Kate jumped on the horse as well, and when he announced who he was, she added herself. She found that it was The Fair Folk, who made him dance even when he was collapsing with exhaustion. The next two nights, she discovered a way to disenchant Anne, and then the prince. She married the prince, and meanwhile his brother had fallen in love with Anne at first sight, so they married too.
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- Dances and Balls: Singularly unpleasant ones, as you would expect from the Fair Folk.
- Deconstruction: Comes off this way compared to The Twelve Dancing Princesses—while the princesses seem to just love dancing all night for fun, the prince in this story is left as an invalid and is unable to function during the day as a result.
- Distressed Dude: The sick prince.
- Double In-Law Marriage: It ends with two (step-)sisters marrying two brothers.
- Fairest of Them All: The queen's motive for attacking Anne.
- The Fair Folk: Rare birds for a fairy tale: actual fairies.
- Green-Eyed Monster: The start of it all
- Involuntary Dance: The prince is not allowed to not dance
- Love at First Sight: Both princes and princesses.
- One Steve Limit: Added. In the source, both the princesses were named Kate. Jacobs decided it was too confusing.
- The Quest: They set out to seek their fortune.
- Rescue Romance: Kate gets this.
- Standard Hero Reward: Kate gets this.
- Wicked Stepmother: Kate's mother.
- Wicked Witch: The henwife who helps the queen.