Fabian decides to keep the mark secret from Nina. The map leads Nina to think that the mask is hidden in the house. As Fabian and Alfie set up a picnic for their double-date with Nina and Amber, respectively, Alfie keeps saying that he wants to give Amber the best so that she does not "put him on the bench".

Sibuna finds an antechamber and several amulets. Mara is still upset about Mick while Jerome creates trouble between Mara and Mick. Mick prepares to leave for good. Everyone throws Mick a surprise party, but Mara decides not to go. Jerome decides to hire a private investigator to find his father. Mara finally decides to say goodbye to Mick. Nina, Fabian, and Amber go back to the antechamber to investigate further. Amber pulls a book and finds a tunnel behind the antechamber bookshelf by doing so.

Amber is temporarily blinded by a strange beacon that is apparently a trap. Nina and Fabian discover the only thing that can protect them from the beacon: the amulets. Nina and Fabian explore the first task, set by Sarah's father, Robert Frobisher-Smythe, in the tunnels. The answer lies in some old tomes, but one is missing. Jerome reads a letter to his mum from his father and makes a shocking discovery. Anubis House is assigned a new housemother, named Vera, and she appears to be more suspicious than anyone.