Katniss is sitting next to her best friend, Gale, when she realizes that the Reaping for the Hunger Games is near and she has very high chances of being in it.
It is now the Reaping, and Prim has been chosen. Katniss says no, and volunteers as tribute.
The Hunger Games have started, and Katniss is running to the cornucopia for a weapon, but she ran out of time and Katniss wasn't able to grab a weapon, so she just ran
Katniss keeps running through the forest and climbs a tree. She wakes up in the night and sees that a little girl, Rue, is warning her about a killer bee nest is right above Katniss. Katniss then becomes good friends with Rue.
Katniss hears Rue scream for her deep in the forest, but Katniss wasn't able to make it in time.
There has been a rule change where 2 people may win if they are from the same District, and Katniss realizes that she won with Peeta Mellark