The Walkers find out about William's biggest secret: his other daughter with Holly.

Sarah accompanies Kitty to Senator McAllister's hometown to interview local residents for his upcoming election campaign, where she meets his high school sweetheart Alice. The pair meets up with some local high school seniors at a bar, and attends a party with them. Rebecca asks Justin to attend a house party with her, who ends with Justin getting a black eye; while Chad makes a surprising decision to come out that affects his relationship with Kevin in a negative way.

Meanwhile, at the advice of her best friend, Nora asks her professor out on a date. And Kitty returns to L.A. with new insight on McAllister and admits that she's falling in love with him.