Harriet sacrifices herself as Eddie and KT finally unlock the portal to destroy Ammut and save them all. KT says an emotional goodbye to Frobisher. Joy and Jerome have Mara's blessing, and Alfie has a special gift for Willow.
As Ammut begins to form, Frobisher demands KT's key - but where is it? Eddie and KT find it on Willow, and realise the purpose of the keys. Jerome explains his feelings to Joy in a letter. But Joy won't read it.
Eddie and KT find the final artefact and take it to the gatehouse to destroy Ammut - only to realise they have been tricked. An evil Alfie breaks Willow's heart and Joy and Mara bond while coming to her aid.
Alfie convinces KT that he's not a sinner. They rescue Eddie from Team Evil's clutches - only for Alfie himself to be captured. Joy and Mara are forced to work together when they lose Willow's cherished pet hedgehog.
When Fabian's trusting nature lands him in the hands of Frobisher, Ammut's collection is almost complete. Meanwhile, Eddie realises the Sibuna traitor is not KT and Jerome shocks Joy with a surprise ending to their play.
Willow discovers she's related to Joy and saves the day when she inadvertently provides the clue to a missing artefact. KT decides to run away, leaving Victor without his precious sinner. Fabian learns the truth about Patricia.
KT's hopes of proving her innocence disappear when Harriet is sectioned. The Sibunas search for the artefacts with the help of a family rhyme when the phonograph is mysteriously restored. Eddie faces the real Sibuna traitor.
Denby and Frobisher kidnap Willow but dismay at her inability to sin. Patricia plans to captures KT by offering to help clear her name. Jerome and Joy share a kiss - Mara's plan is backfiring?
Eddie realizes there's a traitor amongst the Sibunas when the phonograph is destroyed, but who is it? Frobisher demands a new sinner for Ammut's collection and Mara has a new plan to shame Jerome.
The Sibunas are reeling at Nina's disappearance and must cover for her. Nina wakes to find herself in an underground cell.Fabian goes to tell Mr Sweet everything, but discovers that Nina is alive. Fabian makes a wrong move and things look even worse.
The Sibunas know Joy wrote the article. Patricia has a solution to fix both her love life & the gang's problems.The Sibunas enter the final chamber. Eddie & Jerome persuade Mr Sweet about a blogging competition. Rufus' Ceremony of the Mask is a fake.
An article about Nina is on the website. Mara knows "Jack Jackal" didn't write it. Victor rushes to return his reflectors.Vera bears the mark of Anubis & the Sibunas have the reflectors, but they run out of time. Fabian makes a horrific discovery.
Vera steals the Ox Bell from the exhibition. Jerome's has to babysit Alfie, and Nina makes a discovery in her bedroom.Fabian is unable to give Trudy an alibi. Eddie is shocked when Patricia tells him she never kissed anyone. Alfie turns into a baby.
Mara is expelled. Jerome fires Alfie. Vera bribes her witness. Mrs Andrews resigns to save Mara. Patricia learns a secret & Nina gets bad news.Jerome's tournament goes badly. Nina's words are twisted by Senkhara. Nina has a vision of what may happen.
Mara investigates a 'profile' on the website.The goose passes the gem, but Mara drops it. Patricia wears the fake amulet.As the Sibunas explore the spider's web task, Patricia arrives to warn them. Mr Sweet tells Mara about Vera's job.
Amber gives Fabian advice about Joy. Alfie's goose eats Jerome's dad's gem. Trudy realizes that Vera is not all she seems.Trudy shares her suspicions with Mrs Andrews. Victor and Vera succeed in swapping the spare amulet. Patricia's amulet falls off.
The Sibuna gang returns to Anubis House and it's not long before their mystery radars begin to tick. Eddie starts having mysterious visions, a strange package arrives at the house, and a new teacher is definitely holding some dark secrets.
Victor installs spy cameras, two students become "zombies," Alfie sees something traumatic, and so much more, as the housemates continue finding clues to the hidden mystery at Anubis House!
The race to find the reflectors continues as Sibuna members decipher who can and cannot be trusted. Meanwhile, old enemies resurface, horrific discoveries are made, and backstabbing is at its worst. Will the curse be lifted?
Welcome to Anubis House Boarding School in Britain, where everything is not as it seems. Beneath the facade of classrooms exists a quest amongst students, faculty and interlopers to find a hidden treasure that can grant full immortality to its discoverer!