As punishment for a previous rebellion against the Capitol, every year one boy and one girl between the ages of 12 and 18 from each district are selected at random and forced to participate in the Hunger Games, a televised event in which the participants, or "tributes", must fight to the death in a dangerous outdoor arena until only one remains. The story follows fatherless 16-year-old Katniss Everdeen, a girl from District 12 who volunteers for the 74th Games in place of her younger sister, Primrose. Also participating from District 12 is Peeta Mellark, a boy whom Katniss knows from school and who once saved her life by giving her bread when her family was starving.
Katniss and Peeta are taken to the Capitol, where they meet the other tributes and are publicly displayed to the Capitol audience. During this time, Peeta reveals on-air his long-time unrequited love for Katniss. Katniss believes this to be a ploy to gain audience support for the Games, which can be crucial for survival, as audience members are permitted to send gifts to favored tributes during the Games. The Games begin with eleven of the 24 tributes dying in the first day, while Katniss relies on her well-practiced hunting and outdoor skills to survive. As the games continue, the tribute death toll increases, but both Katniss and Peeta are able to evade death.
Supposedly due to Katniss and Peeta's beloved image in the minds of the audience as "star-crossed lovers", a rule change is announced midway through the games, stating that two tributes from the same district can win the Hunger Games as a pair. Upon hearing this, Katniss searches for Peeta and finds him wounded. She nurses him back to health and acts the part of a young girl falling in love to gain more favor with the audience and, consequently, gifts from her sponsors. When the couple are finally the last two tributes, the Gamemakers suddenly reverse the rule change and try to force them into a dramatic finale where one must kill the other to win. Instead, they both threaten suicide by means of poisonous berries in hope that the Gamemakers would rather have two winners than none. It works, and both Katniss and Peeta are declared winners of the 74th Hunger Games.
Though she survives the ordeal in the arena and is treated to a hero's welcome in the Capitol, Katniss is warned that she has now become a political target after having defied her society's authoritarian leaders so publicly. Afterwards, Peeta is heartbroken to learn that their relationship was at least partially a calculated ploy to garner sympathy from the audience, although Katniss remains unsure of her own feelings.
Catching Fire
The first stop on the victory tour is District 11, the home of Katniss's friend and ally in the Hunger Games, Rue, before she died. During the ceremony, Katniss delivers a quick speech to the people of District 11, thanking them for their tributes. When she is done, an old man whistles a tune that Rue used in the arena to tell Katniss that she was safe. The song acts as a signal, and everyone salutes Katniss using the same gesture that she used to say farewell to Rue. Katniss is taken away, but not before she sees Peacekeepers shoot the whistling man in the head. Katniss and Peeta then proceed to travel to all of the twelve districts and the Capitol. During an interview, Peeta proposes to Katniss publicly, hoping to settle the dispute between Katniss and President Snow. Despite this, Katniss learns that their attempts of subduing rebellion in the districts have failed. After they return home to District 12, it is announced that for the 75th Hunger Games, 24 victors from previous years will be forced to compete once again. This is in honor of the Quarter Quell, an event that occurs every 25th year of the Games, and allows the Capitol to introduce a twist. Knowing that she and Peeta will both be competing in the Games a second time, Katniss decides that she will devote herself to protecting Peeta.
During the Games, Katniss and Peeta join up with two other previous victors, Finnick, a 24-year-old man who successfully survived the Games at the age of 14, and Mags, Finnick's 80-year-old mentor, both from District 4. After Mags' death, Katniss, Peeta, and Finnick join forces with Johanna Mason, a sarcastic and often cruel victor from District 7, and Beetee and Wiress, an older couple from District 3 who are said to be "exceptionally smart". Wiress soon proves her genius by revealing to Katniss that the arena is arranged like a clock, with all of the arena's disasters occurring on a timed chart. After Wiress is killed, Katniss learns of Beetee's plan to harness lightning in order to supposedly electrocute two other contenders. In the final chapters, Katniss directs the lightning at the force field that contains the arena, thereby destroying the arena and resulting in her temporary paralysis. When she wakes up she is being transported to District 13, a place that is widely thought to no longer exist. She is joined by Finnick, Beetee, Gale, and Haymitch but learns that Peeta, Johanna and Enobaria (Johanna was the only one to be aware of the plan) have been captured by the Capitol. Katniss is informed that there had been a plan between most of the contestants to break out of the arena, and that Beetee had been attempting to destroy the force field in the same way that she did. The book ends with Katniss's best friend Gale informing her that though he got her family out in time, District 12 has been destroyed.
Mockingjay
The rebels take control of the districts and finally begin an assault on the Capitol itself, which Katniss is a part of. However, an assault on a "safe" Capitol neighborhood goes wrong, and Katniss and her team flee further into the Capitol with the intent of finding and killing President Snow. Eventually Katniss finds herself pressing on alone towards Snow's mansion, which has supposedly been opened to shelter Capitol children (but is actually intended to provide human shields for Snow). Afterwards, bombs placed in supply packages kill many of these children and a rebel medical team, including Katniss' sister Prim.
President Snow is tried and found guilty, but he tells Katniss that the final assault that killed Prim was ordered by President Coin, not the Capitol. Katniss realizes that if this is true, the bombing may have been the result of a plan originally developed by her friend Gale. Katniss realizes that she will never be able to look at Gale the same way, regardless of whether he was directly involved in Prim's death. Katniss remembers a conversation with Snow in which they promised not to lie to each other. When she is supposed to execute Snow, she realizes that he was telling the truth and kills Coin instead. A riot ensues and Snow is found dead, having possibly choked on his own blood or been trampled in the crowd. Katniss is acquitted due to her apparent insanity and returns to her home in District 12. Peeta returns soon after as well, having largely recovered from his brainwashing.
In the epilogue, Katniss speaks as an adult, more than twenty years later. She is married to Peeta and they have two children. The Hunger Games are over, but she dreads the day her children learn the details of their parents' involvement in both the Games and the war. When she feels upset, Katniss has taken to reminding herself of every good thing that she has ever seen someone do.
