Before the Games:
* The announcement: The Capitol announces that the Quarter Quell will feature a twist - each district must send two tributes, one male and one female, chosen from past victors.
* Haymitch's intervention: Haymitch, Katniss' mentor, manipulates the reaping so that Peeta Mellark is chosen alongside Katniss. This is to ensure that Katniss has a chance at survival, as Peeta has a better chance of gaining sponsors than a new tribute.
During the Games:
* The arena: The arena is designed to be a vast, deadly maze that changes every day. This includes deadly animals, weather changes, and even deadly traps.
* The alliances: The tributes form alliances, including Katniss and Peeta, and the group of career tributes led by Johanna Mason.
* The mockingjay symbol: Katniss uses the mockingjay pin, a symbol of rebellion, as a rallying cry for the other tributes. This incites fear in the Capitol.
* The rescue: The rebellion helps Katniss and Peeta escape the arena, using a force field.
* The escape: Katniss and Peeta escape the arena, but they find themselves in a warzone, fighting alongside the rebels.
Key Moments:
* Katniss's "star-crossed lovers" act: Katniss and Peeta pretend to be in love, a move orchestrated by Haymitch to gain public sympathy and sponsors. This act helps them survive.
* The Mockingjay pin's influence: Katniss's use of the mockingjay pin unites the districts against the Capitol.
* The rebel's involvement: The rebellion helps Katniss and Peeta escape the arena, marking a significant shift in the power balance.
Aftermath:
* The rebellion escalates: The Quarter Quell sparks the rebellion, leading to a full-blown war against the Capitol.
* Katniss becomes a symbol of hope: Katniss's survival and her actions in the arena solidify her as a symbol of rebellion and hope for the districts.
These are just some of the key events. The Quarter Quell is a complex and pivotal event in the *Hunger Games* trilogy, filled with action, suspense, and moral dilemmas.