After having a nervous breakdown, 25-year-old Josh Reeves gets booted from medical school. So he decides to go back home. So when he arrives, Josh discovers his mother Fran Reeves has gotten over her divorce and starts a new relationship with a hunky and young man named Riley. Josh also finds out that Riley is 6 months Junior to him. Also Josh discovers his room to be a gym, and Josh's walk in closet now belongs to Rileys buddy Duane. And Josh's bratty young teenage sister loves her new life style. At Fran's urging, Josh must learn to become a part of his new ""family.""

Fran's parents Hal and Cookie, full-blood Jews who retired to Miami, are visiting her. Riley get to feel barely subtly that he is considered beneath their daughter, as if he were a spineless German sponger. Fran is furious when ma, who disapproves of all her choices, even openly takes Allison's side when the teenager wants to take the pill against PMS, while Fran fears that will only lay her totally open to boy-friend Todd, whom she mistrust even more then teenage hormones. Meanwhile Riley fears he's doing his cause no good by accepting to bet against Hal behind Cookie's back, as Hal looses every time, so he uses his winnings... When the three generations of girls go shopping, they find Todd in the mall, who obviously lied to be out of town. The mothers reconsider.