The day of the Ball. Amber, Nina and Fabian have had the same dream of the Spirit pushing Nina into the Chasm. The night of the Ball. Amber, Nina and Fabian complete the hopscotch challenge but there's a bigger test to come.
Victor and Vera hide in the cellar and see Nina entering the code. Patricia's revenge backfires, and the Sibunas enter the antechamber. Victor is blinded by the beacon flash. Poppy's Father wants a prison visit. The Sibunas cross the chasm.
Jerome's dad wants him to visit him in prison. Patricia finds out about Eddie's bet, and Joy and Mara sign up for the school website. The Sibunas practice laying the beam, and Victor finds the lock in the cellar and map of the tunnels, which he copies.
Nina and Fabian puzzle over the mysterious cube that they found in the tunnels. Nina figures out how to make the mysterious cube into a key to unlock the first door in the tunnels, and soon the Sibunas face their next Task.
Victor's sight returns and he finds a passage. Jerome goes to visit his Dad, but Poppy has beaten him! The Sibunas find a crawl tunnel. Fabian saves Alfie from the tunnel. Amber and Alfie break up. Victor spots the amulet and takes all pupil's jewellery.
