Haskell panics when his online girlfriend surprises him with a visit, because he used Phil's picture as his own. Holly discovers a homeless man in the laundry room and learns appearances can be very deceiving.

Holly's mother, Marjorie (Judith Light) visits, with Holly having yet to tell her that she is no longer engaged. So in an attempt to delay telling her mother the truth, Holly moves back into the apartment she shared with her ex, while the boys stay at her place.

Holly offers to help Stuart impress his ex-wife, Lorna (Janet Varney), at a ballroom dance contest, but it turns out Holly is no help at all. Adding insult to injury, it appears that Lorna and her partner (played by Dancing with the Stars pro Maksim Chmerkovskiy) are the favorites to win the competition. Meanwhile, Phil meets his female match, Kendra (Garcelle Beauvais), who beats him at his own game.

Holly flaunts her new boyfriend, Paul, and Paul invites the roomates to a great party. But Stuart sees signs that Paul may still be too close to his ex-wife.

Phil is convinced that the woman Haskell is dating is really a man. Stuart feels guilty after sleeping with a woman who thinks that he is a war hero.

Holly’s engagement to Congressman Charles Hayward is put in jeopardy when a scandalous photo of her lands in the newspaper. Haskell has an idea for a great new app, but needs an investor.

Phil’s stint on a movie set leads to romance with the female star. Holly struggles with having to fire someone for the first time.

Holly accidently convinces Stuart to quit his dental practice and buy a restaurant. Haskell, sick of paying alimony, tries to persuade his ex wife Margo to marry her fiancé.