New girl KT starts school and she looks familiar to Eddie.
Victor's parcel goes missing leaving his angry as Eddie wants to know why KT is here.
To find out what they key is for, Eddie and KT work together as a coded message is found.
It is realised that Miss Denby has a similar key as Victor has to find the missing bracelet.
Amber gets a place in a fashion school as the cryptic message gets decoded.
KT is suspected off working for Victor as Miss Denby is investigated.
A discover is made by Eddie regarding his father as Fabian manages to uncode the message.
The search is on for Amber, KT and Eddie as a case of sabotage backfires.
Amber is trapped in the tank room leading Sibuna to worry she has betrayed them as a photo of Miss Denby is found.
As Amber leaves, she demands that they reform Sibuna as the adults need stopping.
As Eddie tries to work out who Miss Denby is, Sibuna discover Robert Frobisher Smythe.
The real Miss Denby has some revelations to tell as Joy goes to boost her confidence.
A secret ceremony is taking place as Sibuna find Harriet Denby missing.
The Sibuna group realise that they to perform the ceremony as a double life catches up to Jerome.
Reaching the Crypt, Sibuna commence their ceremony as the adults get closer.
The Sibuna try to wake Frobisher up as the adults are now on the warpath.
KT's key is confiscated as the teachers all have special plans coming up.
Sibuna find themselves stunned whilst Mr Sweet steals the bracelet.
The Sibuna start to learn some truths and learn the ceremony has to be stopped.
The Eclipse is coming up fast as Sibuna need to stop the ceremony.
When Frobisher finally wakes up, Sibuna's fears come true as drastic action is forced.
Revenge is plotted on Jerome as secret cameras get installed.
Victor needs 5 students that have sinned to sacrifise as Eddie gets a vision regarding Frobisher.
Frobisher is found and he appears dead as Jerome gets humiliated.
The adults are close to catching the Sibuna as Patricia has plans regarding Jerome.
Joy and Mara agree to break Jerome's heart as Eddie manages to escape the Crypt.
Whilst the group puzzle over a riddle, Mara isn't happy at inheriting a dog.
A fatal boobytrap is installed by Victor as Denby continues meddling.
A dodgeball tournament takes place as Harriet manages to escape the gatehouse.
A photograph is found in the secret room whilst for Joy, it is the last straw with Eddie.
There is a traitor amongst Sibuna as a new sinner is required.
Willow is kidnapped as plans are made to capture KT.
KT tries to prove her innocence as Eddie meets the true traitor.
Realising she and Joy are related, Willow helps save the day as Fabian realises the truth.
Fabian has been too trust and is in trouble as Jerome gives Joy a shock.
KT is finding it hard to know who she can trust as Joy is heartbroken.
Attempts to rescue Eddie result in Alfie's capture as Willow's hedgehog goes missing.
With the final artefact found, the ammut can be destroyed as Willow's heart is broken.
The Ammut starts to form as Jerome writes a letter to explain his feelings.
Harriet makes the choice to sacrifice herself as there is a special gift for Willow.
The builder of the Pyramids of Ra will be rewarded as graduation day arrives.