Carrie is invited to go up to their Hamptons beach house by Patience and Peter, but in the morning she bumps into Peter in the hall without his underwear on. Some friends introduce her to Sean, 'The Marrying Guy'; when she can't keep up on his quick-march to commitment, he ditches her for commitment-phile Charlotte. Miranda's colleague from work, Jeff, introduces her to a lesbian, Sid, at a baseball game, and they are invited to her senior partner's dinner party.