Clarke makes a desperate plea with a former allied force in an attempt to avoid a war and ensure the survival of her people.

Clarke and Roan are forced to work together when they are tasked to deliver a dangerous but crucial asset to Abby through enemy territories.

Clarke’s arrival on the island quickly takes a turn for the worse. Meanwhile, Bellamy tries to avoid further tragedy in Arkadia.

After a disappointing discovery, Clarke and Abby question how far they’re willing to go. Meanwhile, Jaha finds a lead to the mysterious Second Dawn.

Gloria tries to work around the system, Nikki finds herself in a familiar place, Varga comes up with an alternative plan and Emmit goes to dinner.

Nikki struggles to survive, Emmit gets spooked and Sy joins Varga for tea.

Emmit sits down with Gloria, all while Nikki negotiates a deal.

Gloria follows the money, Nikki plays a game and Emmit learns a lesson about progress from Varga. Season finale.

Gloria and Winnie get closer to the truth, Emmit tries to make things right, Nikki and Ray prepare for payback and Varga cleans up a mess.

A twisted sibling rivalry leads to murder, mobsters and cutthroat competitive bridge in a small Midwestern town.

Gloria deals with the aftermath of a crime, Vargas makes a move, and Ray and Nikki move on to Plan B.

Gloria revisits her stepfather’s past to try and find some answers.

Emmit and Sy try to figure out what they’ve gotten themselves into, Nikki and Ray track down some collateral, and Gloria learns more about Maurice.

Nikki and Ray’s retaliation has consequences for Emmit. Meanwhile, Gloria and Winnie start connecting the dots.

Petrov tries to influence affairs in the U.S. Jane discusses her agenda with Claire. With her job at stake, Leann reaches out to a reporter for help.

The Underwoods and their team angle to undermine the revived committee investigating Frank. Hammerschmidt’s investigation heats up.

As the team tries to control fallout from damaging testimony and leaks, everyone is under suspicion and tensions flare between Frank and Claire.

Frank attempts to stop Cathy from testifying. With Hammerschmidt sniffing out the truth, the Underwoods throw someone close to them under the bus.

In the wake of a surprising announcement, everything at the White House is shaken up. A decision must be made about whether to go to war.

With a tight race and low voter turnout on Election Day, things look grim for Frank. But he’s still got one more trick up his sleeve.

Nine weeks after Election Day, the Underwoods work to consolidate their power. Leann tries to track down a missing Aidan Macallan.

In the midst of uncertainty, suspected Russian forces take over an American station in Antarctica. Meanwhile, a damaging news leak could hurt Frank.

When a crisis forces White House personnel to take shelter in a bunker, Commerce Department official Jane Davis negotiates through back channels.

While Frank attends an elite men’s weekend gathering to firm up support, Claire deals with a stranded Russian ship and threats from Petrov.

As Congress debates investigating Frank, he and Claire attempt to stoke fear of terrorism. Tom Yates continues his stay in the White House.

Frank and his team work to leverage support in key states by any means necessary. Claire learns some upsetting news about one of Frank’s friends.

The day before the election, Conway holds a 24-hour Skype session with voters, while Frank and Claire stump in key states and try to discredit him.

In the series finale, Mary changes the course of history with a decision she makes, and her perilous move for survival causes her to have a stunning realization. Meanwhile, Elizabeth…

When Darnley gets a surprise visitor, his marriage to Mary hangs in the balance. Elizabeth learns her attempt to stop Mary backfired. Meanwhile, Catherine and Narcisse find King Charles and…

As Mary’s upcoming wedding looms, a terrible tragedy pushes Mary and Darnley apart, forcing Mary to enlist in Catherine’s help. Elizabeth encounters a traitor to Spain, who petitions her to…

Mary and Darnley wed in a lavish affair, which proves to be a successful decision in regards to her political standing. James makes an interesting discovery about Greer, while Elizabeth…

Mary contemplates how to take over the English throne; Elizabeth struggles to find an appropriate suitor to marry. James gets caught up in a scheme orchestrated by John Knox.

Mary and Darnley are at odds as their plan to seize England is put into action. Elizabeth is conflicted about her feelings for Gideon. Catherine’s son Henri tries to claim…

After a tragic earthquake hits Scotland, Mary must face John Knox amidst claims that she isn’t coming to the aid of her people. Elizabeth takes drastic measures after she is…

Darnley teams up with John Knox to strip Mary of her throne, which will leave a close friend of Mary’s dead. Elizabeth must banish Gideon from court at the request…

Mary pursues justice by launching a counterattack on her conspirators. Elizabeth suffers a major setback, and it turns her world upside down.

Mary’s life hangs in the balance — Childbirth threatens to take Mary’s life, which leaves her and her unborn child’s safety in jeopardy. Elizabeth discovers that someone in her inner…

When Lord Darnley surprises Mary with a visit in Scotland, Mary sees a glimmer of a union that could be more than just political. Elizabeth fights to gain allies in…

In order to get Mary to agree to a marriage, Lord Darnley must demonstrate his loyalty when she voices her concerns about his true intentions. Catherine and Narcisse work to…

Mary must deal with the political repercussions of a potential marriage to Lord Darnley and King Charles disappears, leaving Catherine to pick up the pieces. Elizabeth comes to Gideon’s aid,…