As the gang all continue to deal with Marissa's death, they all begin to adjust to life after high school. At Brown, Summer has re-invented herself into an environmental activist with help of her new friend, Che. Ryan has moved out of the Cohen household and continues to cope Marissa's death, which he took the hardest of all. But when Ryan misses a dinner at the Cohens, Seth finds Ryan slipping back to his old ways and calls Summer for help. Meanwhile, Julie finds it hard to deal with her daughter's death; Kaitlin uses the Cooper charm to get a new pair of boots; and Taylor tries to avoid everyone in order to hide the fact that she's not in Paris.