The stabbing of a cop by a black man stirs up racial tension on the street and in the Knick, forcing Thackery and Edwards to take action. Everett returns to work and a changed OR. Barrow fears for Junia's safety. Cornelia is impressed with Edwards' ingenuity and Lucy is escorted home.
The setting: downtown New York in 1900, a tumultuous time of massive change and great progress. The series centers around the groundbreaking surgeons, nurses and staff at Knickerbocker Hospital, who are pushing the bounds of medicine in a time of astonishingly high mortality rates and zero antibiotics.