Dr. Thackery sets his sights on a return to The Knick - a request that doesn't sit well with the board. After a shocking discovery, Cornelia enlists Cleary to do a dirty job, for a price. Bertie makes a change; Robertson pushes a new subway initiative; Barrow drives up construction costs; Lucy is surprised by an unexpected visitor from home.

Abby's worsening condition persuades Thackery to test out his novel syphilis treatment. Edwards comes clean to Opal, but does not get the response he expects. Cleary makes a last-ditch effort to raise funds for Harriet as her date in court arrives. Bertie undergoes physical training; Barrow loses a sponsor; Gallinger's prejudices are reinforced; Cornelia probes a suspicious death; Lucy laments her lot in life.