Kevin meets a new love interest, but isn't sure about his sexual orientation. Nora and Kitty have been persuaded to use the services of an executive matchmaker with decidedly mixed results.

The family throws a party for Nora's sixtieth birthday. Surprises- but not the good kind- abound when half the family gets the flu, Nora's mother shows up, and the video tribute doesn't come out quite right.

Nora has a Valentine's Day dinner with a friend and takes a risky ride that could land her in trouble.

Sarah and Joe go into therapy following the tensions of their marriage. An office poll unsettles Kitty about her relationship with Senator McCallister.Tommy bumps into a concealed member of the Walker family while Tommy and Julia learn about a surprise addition to the family.

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

Nora invites her late husband's illegitimate daughter to a family dinner at the Walker house against some of her children's wishes. Kevin Walker's hush hush relationship with a movie star reaches new levels and Nora has an interesting encounter with her college professor.

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.

Sarah reclaims her Ojai office and meets Cal, a staffer in accounting. He helps her unpack; Even in the heat of the moment; Sarah's business savvy remains; When David, Holly, Rebecca and Ryan have dinner; David can't help but notice Ryan's behavior around his daughter; Scotty, Kevin and Chad share drinks.