The Knick
Edwards (Andre Holland, left), Bertie (Michael Angarano, center), and Zinberg (Michael Nathanson, right) operate on Bertie's mother (Linda Emond) in episode 6 of "The Knick" Season 2. Cinemax.

Things have been busy at the Knickerbocker hospital for Thackery (Clive Owen) and co. in Season 2 of Cinemax's "The Knick." The doctor is still preoccupied with finding a cure for addiction -- even giving brain surgery a shot! -- and seems to be falling back in love with the now syphilis-free Abigail (Jennifer Ferrin). However, there are a lot of things going on outside of Thack's myopic world in episode 6, "There Are Rules."

According to the synopsis for the new episode, Bertie (Michael Angarano) is running out of time to save his mother (Linda Emond) from the cancer that is threatening her life. Since, Dr. Zinberg (Michael Nathanson) has made clear he has no interest in entertaining Bertie's revolutionary radiation treatment -- basically, chemotherapy -- Bertie has to go rogue. In episode 5 he visited Edwards (Andre Holland) in an Harlem and clued him in about the situation. Well, it looks he will recruit Edwards for some surgical assistance at Mt. Sinai in episode 6. A promo photo for the episode (shown above) shows the pair hunched over Bertie's mom in an operation theater. However, the photo also reveals that Dr. Zinberg is there too! He must crash the party. Will he approve?

Meanwhile, there will be some news on the Sister Harriet (Cara Seymour) front as well. Viewers saw how harshly the nuns are treating her at the halfway house. That will have her reconsidering Cleary's (Chris Sullivan) offer to let her live with him. Another promo photo from the episode shows the two sitting at a cafe sharing some whiskey and Sister Harriet looks more miserable than she even did in prison. Hopefully, she wises up and moves in with Cleary, if only to inch "The Knick" towards the Cleary/Harry spinoff all fans want.

The Knick
Cleary (Chris Sullivan, left) and Sister Harriet (Cara Seymour, right) meet up in episode 6 of "The Knick" Season 2. Cinemax

Elsewhere, the synopsis reveals that Thackery investigates the validity of hypnosis as a medical treatment and takes an interest in a pair of conjoined twins, while Lucy (Eve Hewson) lobbies Henry (Charles Aitken) for a gala invitation.

Watch the promo for "There Are Rules" below:

Will Bertie be able to save his mother? What will Zinberg think of him operating behind his back at Mt. Sinai? Fans will have to wait to find out. "The Knick" airs Fridays at 10 p.m. EST on Cinemax.

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