Lewis thinks he's found a way to control the girl's mermaidness. The school dance brings all our heroines' ‘boy issues' to the surface.
The girls discover a necklace for sale identical to Miss Chatham's. Miriam causes a stir by buying it - then throwing it in the water. Rikki faces a choice whether to take the necklace and reveal her mermaidness to Zane.
Emma and Cleo find out Zane and Rikki are an item and force her to choose - him or them. When Zane appears to side with Harrison over the Mako island development Rikki's decision is clear. Now it's Zane's turn to make a choice.
Zane thinks Miss Chatham holds the key to the sea monster. Emma needs a change so dyes her hair red. While Zane gets closer to the secret, he also gets closer to Rikki. Zane dives to Miss Chatham's boat and sees a mermaid!
Pressure is building at the Academy as the students prepare for exams. Tara tries to ignore her recent “almost-pash” with Ethan in an attempt to stay focused. With her sights set on the first year scholarship, Abigail pushes herself too far.
Tara is excited when Ethan asks her to star in his choreography assessment piece, but Ethan only has eyes for his mentor, Dana. Abigail's sister, Paige, stays for the weekend.
Jana's uneasy relationship with Imara is tested on a mission to find a dangerous wolfblood.
An emergency from the wild pack forces Jana into an impossible position.
Alex still puts her teenager life above royal duty. Yet Manjipoor cheerfully awaits her return. Vashan and his servant Diva only pretend approval. Kuru visits Omar, who reassures him time should help.
Jana's loyalties are tested when she discovers Segolia might be concealing evidence.
Jana's attempt to adapt to life in the city is thrown off course by a desperate call for help.
Amanda abuses magic for her guitar playing and forces Kuru to accept a rune, forbidden magic transfer. Kuru reports on her progress to Omar, who orders him to change and address the council.
Quadrupeds fascinate KIKI and when she finds out that LUCA's horse BANDIT has been skittish and dangerous to ride ever since they arrived, she feels terrible.
Nicu and his mom also arrive in Italy. Alisa wants to find out more about Dracula and the Knot and goes to the library. Just as she finds a book on Dracula, she bumps into Nicu. They reconnect again. Since this was clearly meant to be, Nicu asks Alisa out to dinner. In the restaurant Tonka steals the book on Dracula from Alisa.
A surprise birthday party is in the works for Evie, but Zac is so tight-lipped about it that she thinks he's forgotten. Mimmi tries to cheer Evie up by letting her try on her moon ring.
When Sirena sees an online video that shows a kayaker being lured by a Northern mermaid's song, she becomes enchanted. She starts to follow David obsessively.
Cam realises the shape of the pedestal in the merman chamber is identical to Mako Island, and that five decorative inlays on the pedestal correspond to five rock outcrops on Mako reef.
Emma and Cleo help Lewis catch a huge fish in the fishing competition leading the judges to suspect he's a cheat. Meanwhile Zane and Rikki are stuck together on a balcony of a fancy hotel where after much argument, they kiss again.
Cleo and Kim are fighting like crazy and Cleo is pushed to breaking point. Then cousin Angela comes to stay and things just get worse. Cleo realises there are more challenging things than an annoying sister.
Under the effects of the full moon Rikki goes crazy, boiling dry everything. She runs away to Mako where she meets Zane and kisses him.