Lorelai plans a road trip to attend the wedding of Mia, the woman who served as a surrogate mother/grandmother to the girls for years. Rory has a fight with Logan over his immature reaction to his business disaster, and agrees to go on the trip with Lorelai. Emily invites herself along in an effort to get away from Richard, who is driving her crazy while he recuperates at home. At the wedding, Emily is upset by the close relationship Mia shares with Lorelai and Rory. Lorelai learns that Emily came to see Mia five years earlier to ask for pictures of Lorelai and Rory during the years they were estranged. Logan makes a surprise appearance and asks Rory to forgive him. Meanwhile, Lane and Zack ask Luke to be the godfather to their twins Steve and Kwan. Finally, Lane goes into labor and Luke helps get everyone to the hospital.