Dr Edwards stakes his claim for the chief surgeon position as Barrow and the Knick get ready to move; Dr Gallinger tries to sabotage Edwards by asking Thackery to come back to the Knick; Lucy fails to express her regret to Bertie.
Dr Thackery plans on coming back to the Knick; Cornelia assigns Cleary a filthy mission; a surprise visit astonishes Lucy.
Dr Thackery appoints Edwards to trial a fresh hypothesis; Lucy learns that confessing does not necessarily clear her conscious; one of Dr Thackery's competitors gets a journal article written about them.
Thackery decides to reassess his syphilis treatment as Abby's health condition deteriorates; Opal's reaction surprises Edwards when he becomes completely honest with her; Cornelia examines the cause of a suspect death.
An eruption in the underground railway causes an increase in the inflow of patients at the hospital; Lucy listens to one of Ping Wu's girls; Thackery puts his new addiction theory to practice.
Bertie pushes the limits at Mt Sinai; Cornelia tracks down an immigrant with a connection to Speight; Thackery investigates the efficacy of hypnosis.
Clive Owen
Dr. John Thackery
André Holland
Dr. Algernon Edwards
Jeremy Bobb
Herman Barrow
Juliet Rylance
Cornelia Robertson
Eve Hewson
Lucy Elkins
