Diva's plan to break the barrier is coming together as she prepares to sacrifice Caleb to the vault of Dark Magic. But Alex won't let it happen.
Alex, Diva and Caleb learn that the vault of Dark Magic is the barrier between the two worlds and returning Dark Magic to the vault will destroy it.
The vault claims more control over Caleb as he loses the ability to jump and becomes prisoner to Diva. While Alex is desperate to help him there isn't a lot she can do, except wonder why Diva wants Caleb now that he's powerless.
Alex invites Caleb to the end of year music night. Caleb can no longer control his Dark Magic. The vault of Dark Magic now controls him and can transport him anywhere against his will.
When Diva's plans put Amanda and Alex in danger, Taylor saves Amanda and they realise their deeper feelings for each other. But after taking too much Dark Magic, Caleb loses control and cannot help Alex.
After Zamira is threatened, Caleb begins a dangerous journey. Meanwhile, Veronica starts treating Alex like a Princess. Even though Alex is a Princess, the 'nice Veronica' routine is just too much.
Zamira is against Diva, but that doesn't mean she's with Alex. Veronica gathers new evidence against Alex and Caleb about their secrets, but before she can expose them, Alex tells her the whole truth.
When Alex reads the locked section of The Book, she and Zamira learn the truth; that Diva killed Zamira and Caleb's mother. Meanwhile, Caleb uses his powers for good by helping Kuru escape trouble.
Zamira gets to a block in The Book which only Alex can unlock. After giving Dark Magic to some new West Manjipoor recruits of hers, Diva comes to the real world. But Alex refuses to help Diva and Caleb gets hurt protecting Alex.
Alex and Taylor plan a surprise party for Amanda's birthday. But the party is crashed by Zamira, who believes that Alex's mother killed her and Caleb's mother.
When Veronica inadvertently records footage of Caleb disappearing, she has him at her mercy. But with the help of Alex, Amanda and Taylor, the footage is destroyed and his secret is safe. Has he finally learned to be careful?
Alex's band are about to lose their gig until Caleb uses Dark Magic in an attempt to help, but it only makes her angrier at him. When Diva pressures Zamira to read The Book, she goes to Kuru for comfort.
In an attempt to cut off Diva's power, Alex tries to close the vault, but her magic isn't powerful enough. In the real world, Caleb gets in an argument with Taylor and uses Dark Magic against him, and Veronica sees it!
Alex tries to destroy The Book but Diva gains the power to jump between worlds and gets The Book. Caleb stops Diva from hurting Alex, but this doesn't make up for his betrayal.
Diva sends Zamira to reveal Caleb's secrets to Kuru and the two get into a fight. Alex is preparing for Caleb's arrival in the real world but is growing suspicious.
In a fiery confrontation Caleb reveals his powers to Diva and knowing she can't control him, he accepts Alex's offer. Little does Alex know, Caleb is hiding a dark secret from her.
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