Is publicist Serena hosting a big event? That's what the photos from "The Grandfather, Part II" seem to imply, and Nate's cousin Tripp may be at the center of the plot.
Serena: I need you to put me and Patrick Roberts on the guest list for tonight. Nate: Are you kidding me? Serena: Nate, please. My job is at stake. Nate: Oh, that's funny. So is my cousin's campaign, thanks to you.