Now that Avatar Korra can bend water, earth and fire, she is anxious to start her airbender training, but trouble in the city interrupts her plans.
After solving a problem in her airbender training with Master Tenzin, Korra visits the Pro-Bending Arena in search of inspiration.
Korra infiltrates the Equalists Movement and finds out more about its mysterious leader; when Bolin is kidnapped, Mako and Korra come to the rescue.
Korra is recruited to join forces with Tarrlok, a member of the Council, who seeks a way to free the city from the grips of Equalist forces.
Korra and her Fire Ferret teammates struggle to forgive and work as a team after certain romantic rivalries throw them off balance.
Korra and the Fire Ferrets prepare for the Pro-Bending Championship, but can the game go on when an evil threat looms over the arena?
Korra begins to suspect that one of her allies may be working for the Equalists; Tarrlok publicly denounces Lin and calls for her resignation.
Korra faces the counselor Tarrlok, who cracks down on Republic City as the Equalist movement begins to grow and garner strength.
Korra tries to understand her cryptic visions; Tenzin and Beifong search for the Equalistsโs hostages, but their plan is based on false information.
The Equalists ferociously attack Republic City. In the midst of the battle, airbenders hide, a child is born, and warships answer the city's plea.
As the war intensifies, Korra discovers a secret about the Anti-Bending Revolution; Korra's compatriots seize an Equalist stronghold.
Korra faces off with the mysterious leader of the Equalists as the war for Republic City comes to a head. Does she posses the power to beat him?
Korra fights to find a connection to the Spirit World while she and her crew attend the festival held by the Water Tribe of the South.
On a journey to the South Pole, Korra and Unalaq travel through a dangerous whirlpool and find a source of spiritual energy.
While tensions emerge between the Water Tribe of the North and South, Korra fights to stay neutral but must save Unalaq from Southern fighters.
Korra must fight for her parents' freedom when they are arrested and falsely accused. Meanwhile, Ikki and Tenzin reconnect with their siblings.
When the president of the United Republic refuses to help Korra, she decides to take matters into her own hands.
When the Triad's activities threaten to put Future Industries out of business, Mako investigates and discovers a grand conspiracy.
Korra discovers the epic origins of the mythical first Avatar, who struggled in a world filled with poverty and hunger 10,000 years ago.
Korra dives into the past of Avatar and figures out what she needs in order to restore equilibrium between the physical and spiritual world.
Korra asks Tenzin to help her gain access to the Spirit World for the first time. Varrick frames Mako, who's arrested by the police.
Korra enters the Spirit World, where she struggles with the relationship between the Avatar and the spirits.
When President Raiko is attacked, Bolin saves the day. Meanwhile, Korra approaches Varrick for help in foiling Unalaq's plans.
After learning that the Southern rebels have been defeated, Korra and her team work to close the spirit portals before the Harmonic Convergence.
Korra discovers a new twist in Unalaq's evil plan, and Tenzin realizes that he must face his own demons to save his daughter.
After recovering from Unalaq's attack, Korra discovers a way that she can defeat the ultimate dark spirit and save the world.
Following the Harmonic Convergence, Korra discovers an unexpected consequence to Republic City. Bumi and others suddenly have the ability to Airbend.
As Korra, Tenzin and Team Avatar work to recruit new Airbenders and restore Air Nation, evil criminal Zaheer begins building his own dangerous team.
The team heads to Ba Sing Se to negotiate with the Earth Queen for new Airbender recruits. Mako and Bolin connect with family they've never met.
After discovering that Ba Sing Se's Airbenders are being imprisoned by the Earth Queen, Korra decides the team must stay and help.
While Zaheer infiltrates Air Temple Island attempting to find the Avatar, the team and Lin Beifong head to the city of Zaofu to meet a new Airbender.
Still in Zaofu, Korra practices metalbending and Lin Beifong undergoes acupuncture to restore memories and manage resentment about her past with Su.
New Airbender recruits have difficulty adjusting to Tenzin's training methods, until Pema intervenes with wise cultural integration advice.
As Opal prepares to leave Zaofu and begin Airbender training, Zaheer and his gang, the Red Lotus infiltrate the city and capture the Avatar.
The team travels to deep Earth Kingdom, where Bolin and Mako inquire about Aiwei's whereabouts and Korra hunts for details about the Red Lotus.
Korra and Asami are stranded in the Si Wong Desert. Mako and Bolin must wait in prison while the Red Lotus negotiates a deal with the Earth Queen.
Ba Sing Se is in turmoil, while Mako and Bolin search the Si Wong Desert for Korra and Asami and attempt to warn Tenzin of the Red Lotus' plans.
Korra sacrifices herself to save the Red Lotus' captives. Bolin finds a use for his new lavabending skills. Zaheer makes a move for the Avatar.
Chaos reigns as Korra and the team battle Zaheer and his Red Lotus. Jinora steps into a new position and makes a proclamation about Air Nation.
After traveling for six months and hiding her true identity, Korra prepares to reunite with Team Avatar in a revived Republic City.
Korra recalls her hardships over the past few years while recovering from Zaheer's poison and dedicates herself to restoring her bending skills.
The prince's leadership ability is called into question. Tenzin orders his children to search for Korra, who hides while training in the Foggy Swamp.
Tension runs high for Tenzin's children as they continue the search for Korra, who tries to locate the airbenders while coming to terms with her past.
Suyin and the metal city fight to remain free from Kuvira's control, while Korra returns to Zaofu to negotiate with the Earth Empire.
Forced to choose, Korra decides to do what is right for Suyin and the metal city: a true test of her recovery, training and state of mind.
Back in Republic City, Korra's homecoming is bittersweet. First, she informs Tenzin of the battle in Zaofu, then reunites with Asami and Mako.
The team touches on the past memories to draw strength for future challenges: Mako recalls when he first met Korra, while she questions her value.
After the spirit vines capture a group of tourists, Korra and Opal interrupt a meeting of world leaders to shed light on Kuvira's plans.
Opal, Bolin and Lin launch a mission to rescue Suyin and her family, and Korra implores the spirits to help defend the city against Kuvira.
Kuvira announces plans to reclaim the United Republic of Nations for the Earth Empire, and Team Avatar must warn Republic City of the imminent threat.
After a narrow escape, Team Avatar seeks help from Hiroshi Sato in devising a plan to infiltrate and destroy Kuvira's monstrous mecha suit.
Korra and Team Avatar come together in a final battle to defeat Kuvira and restore peace to the United Republic of Nations.