Two weeks have passed since Harmonic Convergence. Although Korra has reunited the physical and spirit worlds, her decision has unexpected consequences. The spirit vines that appeared in the city will not disappear and spirits have started living in them. Korra must think of a way to restore Republic City while facing criticism from President Raiko and the press. At the same time, Bumi and other individuals have suddenly gained the ability to Airbend. Meanwhile, White Lotus sentries confront a dangerous criminal who manages to escape.moreless
Korra, Tenzin, and Team Avatar board Asami's new airship and head to the Earth Kingdom. There they hope to recruit some of the world's new Airbenders in hope of rebuilding the Air Nomads after almost 200 years. However, their plans do not go as smoothly as they hope, with most people unwillingly to uproot their lives. Meanwhile, the dangerous criminal Zaheer begins assembling his team of other criminals from around the world; something that draws the attention of former Fire Lord Zuko.moreless
Harmonic Convergence has arrived and Vaatu is free from his prison. Korra begins their fated battle by throwing Unalaq out of the Spirit World in order to battle Vaatu one on one. However, Unalaq is able to use the terrain of the south pole to his advantage and, with some help from Eska and Desna, quickly subdues Mako and Bolin and re-enters the Spirit World. He then stops Korra long enough to merge with Vaatu and turn himself into the Dark Avatar. Korra and Unalaq leave the Spirit World where the battle of the Avatars begins. Meanwhile, Tenzin, Kya, and Bumi search the Spirit World for Jinora, and wind up trapped in a dense fog that preys on their fears and insecurities.moreless
Unalaq and Vaatu, now combined as the Dark Avatar arrive in Republic City and begin to cause chaos in the city. President Raiko has the United Forces attack the giant spirit, but to no avail. After finding Jinora, Tenzin, Kya, and Bumi return to the south pole to find Korra, Mako, and Bolin injured from Unavaatu's power. They retreat to the Spirit World where Kya heals them. Korra has lost all hope now that she has lost her Avatar spirit, but Tenzin tells her to remember that she is herself, not the person Raava made her. With this advice, Korra's spirit heads to Republic City to stop Unavaatu and save the world from 10,000 years of darkness.moreless
With Jinora stuck in the Spirit World thanks to Unalaq, Korra and Tenzin return to Republic City in order to help convince President Raiko to intervene in the civil war. Also hoping to convince Raiko to enter the war is Varrick. Varrick sets up a grand showing of the finale of his Nuktuk mover at the Pro-Bending arena and invites everyone to the showing, including President Raiko. However, the showing turns out to be a setup so Varrick can organize a kidnapping of Raiko in order to send the United Republic to war. Meanwhile, Tonraq and the other Southern rebels storm the Southern Water Tribe capital city hoping to remove Unalaq and his forces from the city.
Team Avatar arrives in the Southern Water Tribe where they seek assistance from Katara in order to help Jinora. Katara reveals that with it having been over a week since Jinora was trapped in the spirit world, soon she will slip away forever. With Harmonic Convergence just hours away, the group making a daring attempt to enter the spirit world. Mako, Bolin, and Asami head to the portal on a bi-plane while Korra, Tenzin, Kya, and Bumi try to fly in on Oogi. However, Unalaq has already prepared for their arrival and an all out battle ensues.moreless
Korra and Jinora have entered the Spirit World. However, before they can begin their search for the spirit portals, angry spirits send the two crashing into river rapids that separate them. Korra winds up in a dark forest where she runs into Iroh, an old friend of Avatar Aang. Iroh takes Korra to his home where he gives her advice on how to reunite with Jinora and find her way around the Spirit World, leading her to embark on a quest to help a young dragon bird spirit. Meanwhile, thanks to her spirit friends, Jinora discovers Wan Shi Tong's Library. Despite still being upset at Avatar Aang's betrayal over 70 years ago, he permits Jinora to say in the library and look for info on the spirit portals. However, the spirit may not be as forgiving as he seems.moreless
With Harmonic Convergence just weeks away, Korra reunites with Tenzin and his family at the Eastern Air Temple. With the southern spirit portal heavily guarded by Unalaq's forces, Korra decides to enter the Spirit World and close the spirit portal from the inside so Unalaq cannot stop her. Tenzin agrees to help her enter the spirit world, but Tenzin struggles to enter. However, Jinora may hold the key instead. At the South Pole, Unalaq, believing that Korra is dead, tries to open the northern spirit portal. Meanwhile, in Republic City Mako continues to try and prove that Varrick is responsible for the Cultural Center bombing, but Varrick is one step ahead of him, and uses Bolin and Asami to get to him.moreless
Beckett's still in D.C., so Castle is at the precinct helping Esposito and Ryan investigate the murder of a former child star. But before much can be done, and without explanation, Beckett and McCord show up and take over the case. A new detective has been assigned to the 12th, NYPD Detective Frank "Sully" Sullivan.moreless
The Avatar gang returns to Republic City where tensions are also growing between the two Water Tribes. That night Korra participates in a peaceful march with her fellow Southern Water Tribe citizens. However, things quickly take a turn for the worse when the Southern Water Tribe cultural center is bombed. With tensions increasing by the day, Korra meets with the new president of the United Republic in order to convince him to send troops to the South pole and end the civil war, but he refuses, leading Korra to think of other ways to help her tribe. Meanwhile, Bolin becomes the star in Varrick's new movie, Mako investigates the bombing, Asami tries to salvage her company and Unalaq orders Eska and Desna to capture Korra and return her to the South Pole.moreless
Beckett continues her quest to find the stolen toxin as Castle is left with less than a day to live after his exposure.
Unalaq puts Korra's parents and the rest of the Southern Rebels on trial for treason. The judge finds Senna not guilty, but finds everyone else Guilty and sentences them to death. Korra fiercely condemns this and Unalaq convinces the judge to change the verdict to a life sentence. Not trusting the judge, Korra chases him down in his car and demands answers from him and discovers that the trial was rigged and learns all about Unalaq's true motives. Meanwhile, Asami, Mako, and Bolin meet with Varrick hoping to help with the future of Future Industries, and at the Southern Air Temple, Tenzin continues his search for Ikki.moreless
Beckett must decide whether to take the high profile job in DC and what to say to Castle about his marriage proposal. Both must deal with the consequences of their decisions when they are plunged into a high-stakes investigation. Federal investigator Rachel McCord plays a central role in how Beckett decides what to do about her future.moreless
Unalaq takes over the leadership role of the Southern Water Tribe and has his troops patrol the city and blockade off the harbor which causes tensions between his forces and the residents. As both the Avatar and resident of the Southern Water Tribe, Korra is stuck between a rock and a hard place in the potential war that could erupt between the two tribes. Things escalate when a group of rebels decided to "take care" of Unalaq leading Korra to make her toughest decision yet as Avatar. Meanwhile, Tenzin and his family are relaxing at the Southern Air Temple. However, when Ikki goes missing, Tenzin and his siblings go to search for her and the three end up fighting with each other.moreless
Six months have passed since Amon and the Equalists were defeated, and Korra and the rest of Team Avatar have settled into the peace and quiet Republic City has come to enjoy. Everyone packs up and heads to the South Pole where the Glacier Spirits Festival is set to take place. Upon their arrival, they are soon greeted by Korra's parents, as well as Tonraq's brother, Unalaq, chief of the Northern Water Tribe. Tensions between the two over the spirits of the south force Korra to rethink her training regime. However, the spirits don't wait and that night they launch their angry attack on Korra.moreless
Korra begins her spiritual training under Unalaq. Unalaq tells Korra that in order to help the Southern Water Tribe heal it's spiritual side they must travel to the forest at the South Pole and reopen the spiritual portal there. Despite the tension between the two brothers, Tonraq joins the group on their quest, but things turn sour when revelations of Tonraq's past are revealed. Meanwhile, Tenzin, his siblings, and family arrive at the Southern Air Temple as the first stop on their Air Temple trip.moreless
After President Fitz picks a Supreme Court judge, he's caught up in an affair with Olivia's new client (guest star Lisa Edelstein). Olivia and Jake (recurring star Scott Foley) continue to see each other.moreless
The Pod returns to Chicago to work with the US National Bank, but discovers illegal practices in the way the company's has been granting loans. Instead of reporting this forward, Marty makes a decision that not only disappoints the rest of the team, but makes him loath himself.moreless
Marty's team is split into two when he and Clyde leave for Chicago to improve the image of a bank, while Jeannie and Doug leave for San Diego to work with an internet dating site. Both Jeannie and Doug go on blind dates with different outcomes. Meanwhile Marty finds out that his boss is working against him behind his back.moreless
Sherlock discovers a long hidden crime while investigating a bombing. Watson pushes Sherlock to choose a sponsor.
A retrospective of eight years of House.
Alicia's case is in jeopardy when her key witness kills himself. Meanwhile, Eli helps Peter.
While Alicia tries a pro bono case in which the witness becomes the suspect, Will and Diane discuss the firm's future.
Alicia and Will have to reserve a hotel room when a case they're working on goes overtime. Eli gets some bad press when he takes on the job of helping a cheese guild do damage control on a poisoning scare.moreless