Joyce (Betty White) gets a part as the lead in a TV-series, Undercover Woman; the only catch is that her ex-husband John (John Hillerman) is the director.

Mitzi (Georgia Engel) convinces Joyce to let Wilma (Janis Paige), her recently divorced cousin, stay with them while she visits Los Angeles, but Wilma ends up falling for John and soon wants to move to Los Angeles.

While Mitzi throws a surprise party for Joyce, her diamond necklace goes missing.

The network wants to introduce a dog and a baby to the show; Doug (Alex Henteloff) resists and gets fired. Tracy (Caren Kaye) agrees to go on a pity date with Doug to cheer him up.

Joyce and John are shocked to find during a tax audit that their divorce was never finalized. Meanwhile, Joyce is upset when Tracy writes a script for the show that makes her look bad.

Joyce and John deal with the aftermath of finding out they are still married.

Mitzi becomes envious of Joyce's success so she decides to move out and get her own place.

To increase the ratings, the studio wants to kill off Fletcher's (Barney Phillips) character.

John's mother (Elizabeth Kerr) comes to visit her son. Because she does not know about John and Joyce's divorce, they have to pretend to be a happy couple for her.

Joyce decides to fix up Doug and Mitzi.

When Joyce begins dating a race car driver (Philip Carey), John suspects he is using her to break into show business.

Joyce and Mitzi have Fletcher and his wife Marian (Florence Halop) as houseguests while their home is being repainted. However, the couple soon overstays their welcome.

An old flame, Connie (Joanna Barnes), comes to visit John. She starts driving him nuts, and he enlists Joyce to help break up the couple.

A rumor begins that Undercover Woman may be cancelled, but Joyce initially dismisses it. When Doug discovers the rumor is correct, Joyce throws a party to convince the network heads to save the show. Meanwhile, Hugo (Charles Cyphers) is upset that John has hired a stunt woman for Tracy and believes her hiring caused bad luck that got the show cancelled.