In the summer following their first year of college, we revisit four friends who have been apart all year and plan to spend their summer apart until a magical old pair of pants reunites them. Bridget "Bee" Vreeland (Blake Lively) visits her grandmother Greta (Blythe Danner) in Alabama to ask about her mother's suicidal depression. Lena Kaligaris (Alexis Bledel) finds her former flame Kostas (Michael Rady) married in Greece. Tibby Rollins (Amber Tamblyn) goes through a pregnancy scare with her boyfriend Brian, and alienates Carmen. Carmen Lowell (America Ferrara) auditions for the role of Perdita in a Vermont acting workshop.