Linda makes a power play, Piper digs for information about Alex, and the women get their first taste of a decades-old feud between cellblocks.

Aleida struggles to find work on the outside. Backed into a corner, Nicky pleads her case to Red. Taystee reaches out to Caputo for help.

Taystee gets fan mail -- and an assist from an old friend. Piper lobbies Luschek to bring back kickball. Aleida tries out a new sales tactic.

While Daddy buys time with Barb, Daya looks for new ways to bring in oxy. Black Cindy's guilt takes a toll on her body. Red acquires a powerful ally.

Aleida seizes a business opportunity. An anonymous tip sends Caputo on a stakeout. Luschek tries to help Gloria, who worries she's in danger.

Carol and Barb prepare for war. Linda auditions inmates for a prison PR video. Alex makes a deal with Badison to keep Piper out of trouble.

Taystee takes advantage of her new position. Linda teaches Tamika how to pivot. Black Cindy and Maria make amends to people they've hurt.

Piper plays the field. Caputo tries to get ahead of a scandal. Daya sends Taystee on a mission. Nicky finds romance.

While Piper reconnects with faces from her past, Alex revisits her own romantic history. Linda puts Tamika on notice. Caputo owns up to his misdeeds.

Taystee meets with a lawyer. As the GED exam looms, Suzanne gives Pennsatucky a pep talk. Gloria faces a dilemma. Alex confronts Piper.

Tearful farewells, emotional tributes, new beginnings. Say goodbye to the women of Litchfield in the series finale.