Following an intense and deadly shootout, Jack and Kate are in a race against time to save the life of a key player tied to the imminent terror threat. Meanwhile, Jordan Reed is ordered into the field on a perilous mission. Then, after President Heller engages Margot to end her savage attacks, he faces an unthinkable, game-changing decision.
The Night’s Watch attempts to defend Castle Black against Mance Rayder’s massive wildling army, who plan to siege the fortress from the north, while a secret garrison of wildlings, including Ygritte, are poised to launch a surprise attack from the south.
Kiera finally learns the truth about John Doe. Alec must make a difficult choice between business and family. Liber8 is rocked to the core by new information about their mission.
A new player in the clone conspiracy turns up at Felix’s door, sending him into crisis mode. With Cosima running out of options, Sarah struggles with the decision to surrender a crucial piece of leverage and make a deal with Dyad.
A bathroom turf war sees deeper lines drawn in the sand as Gloria and Vee go head to head. Piper receives devastating news.
Love is in the air as the inmates prepare for a Valentine’s Day party; Red makes an intriguing new discovery. Larry asks Piper to be his prison mole.
Piper starts a prison newsletter with the help of Healy and a few other inmates; Vee launches an entrepreneurial enterprise.
Piper faces a new backlash over special privileges; Caputo feels pressure to toughen up, resulting in administrative changes.
Piper’s relationship with Larry faces a real-world test; Red’s effort to redeem herself is finally rewarded. A familiar figure returns to Litchfield.
The guards get tougher in a bid to turn up prison contraband; a big, lingering secret is finally revealed.