Nina's grandmother comes to visit the house. A seventh grader blackmails Jerome. Alfie tries get Amber to be his girlfriend by giving her raspberry cupcakes, but Amber is allergic to raspberry and develops a blotchy face. Meanwhile, Nina has a dream inspired by Victor's riddle, which she has overheard. A malignant spirit emerges from the cup. Sibuna finds out who is blackmailing Jerome, and Victor is convinced that he will find the Book of Isis in a traveling Egyptian artifacts exhibition. Nina hears some noises and goes up to the attic to examine. She takes the cup out of the hiding place, and Senkhara comes out. The spirit tells Nina to find the Mask of Anubis before anyone else or forfeit her life. Trudy cleans out the attic to prepare a guest room and throws out the dollhouse. Alfie saves it to give to Amber and passes Step 1 in Amber's dating book.

Senkhara leaves her mark on Nina, and Fabian's godfather, Jasper, advises her about the mark and the Mask, which he believes to be a myth. Jerome finds Fabian's poem to Nina. The dollhouse begins to communicate with Nina, and Nina thinks that the Mask is in the house. Nina starts to become jealous of Fabian and Joy spending time with each other. Alfie passes Step 3 in Amber's dating book, and Amber tells him that they need to have a trial date before they are officially "together". Mara decides that she needs to make Mick break up with her so that he can go to a sports school in Australia. Mara takes Patricia's implicit advice and acts nerdy around him. The plan fails, making Mick like Mara even more than before. Later on, the dollhouse opens a hidden compartment to reveal a map. Poppy researches her father and discovers some interesting information. That night, Senkhara marks Fabian as well.