Shaun arrives just as tensions rise over whether Tessa, who is pregnant, should perform a difficult ethnic Peacock dance. Shaun is urged to take Tessa home for her health, but he insists on staying to support her. A cultural troupe member explains the importance of their performance for troop morale, defending Tessa's confidence. Doubts intensify when an expert, Professor Knapp, known as Madam Burton's teacher, appears, casting skepticism on Tessa’s claim to perform the challenging dance. The episode ends with Tessa facing the threat of being expelled if she fails to prove herself.