Kate and Emilico's fate hangs in the balance as Edward's carefully staged debut heads into its grand finale. Shirley and Rum have a breakthrough, but is it too little, too late? Meanwhile, the third-floor shadows continue to question Edward's methods.

Kate and the others hold another meeting in Patrick's rooms to share information, and as they hone in on the culprit behind the phantom mayhem, Emilico realizes something.

The culprits are captured and handed over to the Star Bearers where a brief conversation calls up the regrets of a broken promise and secrets hidden in the past.

The phantom mayhem has ended in the worst possible way, and as the house tries to settle back into its usual routine, Kate and Emilico's suspicions and fears give rise to an unshakeable determination.

Kate notices a change in Emilico. Upon reading Emilico's notebook, she tries something to help her, but Emilico vanishes after learning a secret. Kate enlists John in finding her and then shares the secret with the others, but can they thwart Edward?

The Star Bearers have determined that the soot pipes are the origin of the phantoms. For now, in order to quell the disorder in the children's wing, Barbara punishes the Belle twins, who broke the coffee carafes, by assigning them to cleaning the soot pipes. However, having been unable to ascertain the true culprit behind the incidents, the Star Bearers turn their suspicions on Kate.

Kate and the others have deduced the identity of Master Robe, the culprit behind the phantom mayhem, who then tells them of the cruel secret of Shadows House.

Emilico and company have an unhappy encounter with a Star Bearer that leads to late-night watch duty. Kate frets over the approaching debut. Sides are taken, friendships are forged, and one of Shadow House's mysteries is solved.

Kate meets her living doll and names her. The two play dress-up and begin to bond as master and servant, but there is much that they both must learn about each other and the mysterious Shadows House.

Barbara strives to fulfill her role as a Star Bearer in spite of Barbie's concerns about her health. Troubled by the disturbances which keep occurring in the children's wing, Barbara wonders if things would have been different under the previous leader. Meanwhile, in John's rooms, John reads a letter from Kate. Something in it sends him into a state of shock.

Edward's labyrinth continues to confound the dolls as they race to save their masters. But will his plan unravel as they learn more about each other and find that working together has its advantages?

No match for Maryrose, Kate and John flee the main house, but just when they feel truly cornered, they come up with a plan to turn the tables.

The debut continues in the garden labyrinth as the dolls set out to find their shadow masters. They end up helping each other, and an unexpected duo forms. Edward tries to get his plan back on track. Kate has an unexpected encounter with an admirer.

Barbara and Barbie meet a robed figure at the entrance of the manor with a large number of Scorches. Later in the night, the Living Dolls are gathered and ordered to report if they know of the figure. Kate and Emilico discuss the announcement, then go to sleep.

While in the research team's lab, Kate and the others look for hints as to Master Robe's identity.

Kate and Emilico have resolved to become Star Bearers in order to close in on the secrets of the house, and begin to make moves in order to gather information. But just as they are about to get started in earnest, the living dolls all gather in the great hall for a rejoicing party where they are attacked by a huge mass of scorches, leading to a second incident of phantom mayhem.