As summer arrives, the Yellowjackets face a fragile victory—the brutal winter that nearly claimed them is finally behind them, but distrust in leadership and tension within the team jeopardize their chances of being rescued. In the present, long-buried secrets from their pasts begin to surface. As the women fight to keep their lives from unraveling, they must confront a chilling question: who are they really, and what dark truths are they hiding from each other and themselves?