Shoshanna is let into a secret by Marnie and Jessa is asked for a favor by her boss. Also, Hannah gets some news.
While Jessa sets about finding a job, Hannah ropes in Elijah to help her finish an assignment. Also, Shoshanna, Elijah and Hannah go to watch Marnie perform.
Marnie starts her new job at an art gallery and Jessa is surprised by Shoshanna. Meanwhile, Hannah has concerns about her relationship with Adam.
While visiting her grandmother in hospital, Hannah gets a strange request from her mother and goes for a drink with her cousin.
Jessa receives an unexpected visit and the group celebrate with Adam's new friend, Desi. Meanwhile, Hannah is firstly assigned to interview Patti LuPone, who tells her that Adam's new career may have consequences, and then must review the Gramercy Park Hotel.
The girls go on a weekend getaway to a Long Island beach house, where Hannah meets Elijah and invites him and his friends over.
Hannah worries that her new corporate job at GQ, writing advertorials, will destroy her creativity. Also, Ray's has an argumentative lunch with Marnie, while Shoshanna sees his new success and wonders if they should have broken up.
When Hannah is invited to a literary event, she discovers that her eBook deal could be in trouble, but later tries to bring Adam and his sister together. Meanwhile, Ray is honest to Marnie and Jessa starts to make some positive changes.
Jessa manages to locate an old friend and Hannah must deal with an unexpected death. Meanwhile, a video which Charlie posted comes to light.
Ray gets used to being a restaurant manager and Marnie takes control of Hannah's 25th birthday party. Meanwhile, Adam gets an unexpected visitor.
While Marnie gets a place of her own, Adam takes Shoshanna abd Hannah on a road trip.
Shoshanna tries to balance her time at college between sex and studying, while Marnie must accept she and Charlie are through. Also, Adam and Hannah and host a dinner party.