Beth, the princess of the Fairy World, was a platinum princess candidate before any of them. She had to take a leave of absence from school because of stuff going on in her world.
Beth is not as friendly as she seems. She tricks Cocoloo into sniffing a flower that makes her pass out. She tries to get the 4 of them to give up their pendants, but fails...
Elmina asks the queen if it's just a coincidence that 1 girl from each of the 5 worlds was selected as a Platinum Princess candidate, and that they all stopped aging at 10... The queen herself doesn't know the answer.
Yucie and her friends have to hang out with a kindergarten class... The kid that Yucie is with is really mean, and makes her sad by destroying the gift she made for him...
Arc found out that the person who once completed the tiara was the legendary hero Gunbard, Yucie's father... but he claims to know nothing about the tiara. Arc leaves and lets the guards catch him, and Yucie confirms that he is definitely Prince Arrow.
Yucie runs up to him just as he's leaving...
"I'm going to become the Platinum Princess. I'll become an adult that Arc won't treat as a child. So wait for me. I want you to wait until then!"
The 4th Crystal Flower is in the Fairy World. The fairies and animals try to mislead the 4 into a wild goose chase so they will give up and leave... Beth, who is trying to become the Platinum Princess so she can save her father, the Fairy King (the giant tree) from dying. The king convinces her to help the others get to the top of the tree, and the crystal flower ends up emerging there when Beth saves Cocoloo from falling off. Beth still refuses to become their friends though.