Thackery enlists Edwards to help him test a new hypothesis. After rejecting Robertsonโs advances at The Knick, Lucy learns that confession isnโt always good for the soul. Young journalist Genevieve Everidge works on a story about one of Thackeryโs rivals. Cornelia is dismayed by the limits of her husbandโs sympathies. Barrow faces a new adversary at Tammany Hall. Gallinger is intrigued by a discussion of eugenics at a class reunion. Edwards deals with a surprise visitor.