Will and the rest of the girls try to tell Elyon the truth about Phobos and Meridian, but that becomes very hard when Phobos teaches his sister to make ghostly images of herself to confuse her former friends and the rebels. The real Elyon is upset that she didnâ€™t bring her sketchbook from Earth so Phobos sends Lurdens through a portal to her old bedroom to fetch it. But the creatures also trash a stash of chocolate, the scent from which Blunk is able to follow to Phobosâ€™s and Elyonâ€™s secret Meridian mountain hideout. The Guardians and Caleb search for Elyon under the mountain but are ambushed by Lurdens. Forced into the open, they battle Cedric on the mountainside before returning to Earth, no closer to warning Elyon of the terrible danger sheâ€™s in.
After Blunk finds the Horn of Hypnos, Irma is forced to team with the garbage-obsessed Passling to save the day.
W.I.T.C.H. gains new knowledge of their sorceress foe Nerissa, a former Guardian and one-time holder of the Heart of Kandrakhar.
Cornelia’s narcissistic behavior is getting on the other four Guardians’ nerves, especially when she signs them up to help her out at a school carwash so she won’t have to do any actual work.
Phobos is preparing the Ritual of Amalgamation. He needs symbols of Elyon's body, mind, and spirit. Cedric takes her hairbrush, A+ math test, and is trying to take her breath. Meanwhile, Martin catches a glimpse of a Hermeneuta beast from Meridian and the only thing that will get him away long enough for the girls to send it back home is a date with Irma. Catching the little beast is not as easy as it sounds, especially when the mom shows up. In the end, Cedric finally captures Elyon's breath in a balloon and all that's left is to take her to Meridian.
Will’s fixation on winning at any cost forces her into a devil’s bargain to achieve victory against Nerissa.
Phobos sends shapeshifting monsters into Meridian to pose as and discredit the Guardians so Elyon will lose what little trust she has left in her friends. While the real Guardians do battle with the evil twins, Cornelia and Caleb try to persuade Elyon that Phobos only wants her for her power, but she won't listen. Caleb, however, does something to shake Elyon's faith in her new brother: he bows to her. Unnerved by this, Elyon is starting to suspect that Phobos is not telling her everything.
Final exams coincide with a test of cosmic strength, as the Guardians hold the future of the Universe in their hands. But will a snake in the grass force all to yield to a horrible new power?
Yan Lin hides on Zamballa, but the Knights of Destruction attack and Kadma convinces Will that they should turn the tables and make Nerissa their quarry.
Prince Phobos sends the Tracker after Caleb in an effort to recapture the rebel leader. Meanwhile, the girls all try to go see a movie staring there favorite actor. But will they be able to save Caleb and defeat an old foe AND get to the show on time?
When Caleb's best friend, Aldarn, accidently becomes hypnotized by Elyon into signing a peace treaty, Caleb has to fight him for the position of leader. Meanwhile, after leaving their baking duties for the school bake sale to Blunk, the guardians enter a trap filled with Larveks and they must defeat them before the rebels get eaten by them.