The heroes come back to Flowerdale where they tell the local elves that they are looking for the Moon Unicorn. According to Mia's oracle, it may know where they can find another Heart Crystal.

A creature is frightening the elves. Is it a new enemy sent by Dark Elf? The heroes find out it's not a monster at all, but a bunch of very shy ponycorns.

The heroes visit their friends at Blackwood Forest where the oracle tells them to look for a Heart Crystal. Simo is able to decipher it and knows where to go, to a field of electrifying snoot-blossoms.

The oracle tells the heroes to find Simo. They send out a friendship butterfly that leads them over the ocean. They crash-land on an island with ponycorns and get trapped. Alarmed by the butterfly, Simo comes to free the heroes.

Yuko has a secret hobby, she trains her singing skills. Mia notices this and before she can think about it, whisper goes down the lane. Everyone in the Elven Crater now knows that Yuko sings badly.

The oracle indicates that the heroes have to bring Kyara to a mystic hill called the Seventh Wave, the unicorn graveyard. Kyara's grandmother went there some time ago to lay to her final rest.

Mia, Yuko and Onchao fly to the dragon caves in search for a Heart Crystal. Mo has to stay at the Crater to clean it up. At the dragon caves, the heroes find out that the Night Vine already covers most entries.

Polytheus has insulted his turtle Buttercup, who runs away. The heroes arrive at Polytheus's place to get his Heart Crystal, but Polytheus won't give it for free.

When Phuddle destroys his laboratory inside the Elven Crater, King Mo harshly forbids him to rebuild it inside the Crater. Phuddle is frustrated and moves out.

While Onchao has a boys day out with Esko, Kyara leaves the Elven Crater unnoticed. The Elves try to find her back, but Dax and the Hoppers are always one step ahead.

Due to her oracle, Mia finds out that Yuko has a sister named Kuki who lives in the Elven Village. The heroes go there to find the next Heart Crystal.

The heroes head out to meet the Pan King, who is said to own a similar crystal to the one the heroes have found. Gargona and Dax learn about the crystals and a possible way to defeat them.

King Raynor and Mayla fall into a coma due to the evil powers of the Night Vine. The heroes have to find a way to defeat the plant - only then they can defeat Dark Elf.

A nice plant around Panthea's former palace is poisoned and turns into the evil Night Vine that seals up the Palace, turning it into the Dark Castle. The Night Vine will take over Centopia, and corner Elves and Unicorns.

Onchao's mother Lyria gives birth to unicorn foal Kyara. Gargona notices the birth and reports it to Dark Elf.

The heroes must find a Heart Crystal on Rainbow Island. There, Onchao becomes jealous of his little sister because he wanted to play with his friend Flair alone. Onchao trots across the island alone and finds the Heart Crystal in the Rainbow Dome.

To get another Heart Crystal, the heroes have to find the Shyest Unicorn, who lives in the Great Swamps. Mia finds an elf, Lola, who carries some ornaments in her hair that can only be from the shy unicorn.

The elves have to help a giant female butterfly to find a rare flower. The heroes suspect a Heart Crystal near the flower. Unfortunately, size of the butterfly makes an easy target for Dax and Gargona.

The heroes are puzzled when they get unexpected visitors: a group of Bluebardos. They came from the icy North Horn to search for a young Bluebardo, who got lost down south.

The bad guys chop down the Heartleaf Tree to get some firewood for the cold Castle. The Love Unicorn, who needs the fruits of this special tree, is in danger of starving.