Relativity

Isabel and Leo meet in Rome. But back home in Los Angeles, Leo can't resist calling her, and Isabel can't shake the connection between them.

Isabel finds the courage to tell Everett the wedding is off but can't refuse when he asks her to attend nuptials at which his family had expected to meet her.

Leo and Isabel hope that first impressions aren't lasting, when, through a comedy of errors, they meet each other's families.

The one-year anniversary of Judith Roth's death approaches, and the emotional strain may be taking its toll on son Leo.

Leo and Isabel decide to move in together, but find their friends and families are confused.

Leo's father, Barry, announces that he's considering taking a job in Dayton. Meanwhile, Isabel convinces her dad to hire Leo to paint his office.

Doug feels abandoned when Leo becomes friends with Karen's husband, Alan, who is a financial planner.

Jake lands a job at the magazine working for Isabel's dad. But Leo winds up in the parent trap of trying to act like a father to his brother, and unconsciously expecting him to fail.

Leo catches the eye of an attractive firebrand architect who wants to hire him as an assistant, rousing a new sensation in Isabel: jealousy. Meanwhile, Karen discovers the soothing effects of flirting.

David's publication wins an award for Magazine of the Year, and in his acceptance speech he thanks everyone but the rag's founder: Eve.

Leo's dad Barry finds he's unable to tell his kids he lost his job. Meanwhile, Isabel's mom goes overboard preparing for a Christmas Eve gathering.

Leo and Isabel throw a New Year's Eve bash, but the guest list doesn't preclude party crashers from showing up---including Everett, Isabel's ex-fiancé.

During an intimate moment, Leo tells Isabel he wants to marry her, but both are confused about the statement's meaning. Meanwhile, Karen slyly arranges to visit Doug.

Jake refuses to explain why he's desperate for $100 in cash, but sees an opportunity to earn it by chauffeuring Isabel's visiting cousin, Anne. While driving Miss Annie, though, Jake begins falling for the quiet, contemplative girl.

Will Karen and Doug's cheatin' hearts tell on them, or will Leo? Meanwhile, Isabel ain't misbehavin' but feels guilty anyway when she runs into Everett while jogging; and Jennifer receives an ominous letter from one of her professors.

As Valentine's Day approaches, Leo is strung out with work, and Isabel goes out to a concert with Everett. Meanwhile, Alan notices that his wife is "glowing."

Everett finds an apartment for Isabel; Leo's grandfather has a heart attack; and Karen admits to Alan that's she's seeing someone.