The girls experience an unusual hangover. Shauna learns the thrill of peer-to-peer car rentals. Natalie audits Lottie's class in emotional apiology. Misty hits the high seas - and the Yellowjackets throw a baby shower like no other.
The team decide to celebrate Shauna's pregnancy to lift their spirits after recent events, but Lottie's behavior causes a stir. In the present, Taissa is experiencing dissociative attacks, Shauna's obsession with control forces her to make extreme decisions, and Lottie and Natalie still don't get along.—mikkiparker