In the Hunger Games, after Peeta and Katniss were the only ones alive, it was announced that the change in rules had been revoked, and there could only be one victor. Instead of killing Peeta, Katniss proposed they eat poisonous berries to kill themselves so that the Capitol would not have any victors. But at the last second, they were both declared winners of the Hunger Games. Throughout the competition, Katniss played along with the love story so she could increase her chances of winning, though secretly she was confused about her true feelings for Peeta and Gale, her best friend who was back home in District 12.
Peeta, whose love for Katniss was never an act, was broken-hearted at the realization that Katniss was merely pretending to love him for the sake of the competition. Since the Games, he has been acting very distant and cold toward her, and she feels guilty for the way she treated him. Gale has also been treating her differently since she returned home. Nothing is the same for Katniss since winning the Games.
When the novel opens, Katniss is hunting in the woods, thinking about how much she