Curtis comes back from a Hawaiian vacation with the intention of moving in with his son, Ted, and his family. He arrives just in time to learn that his son's mother-in-law and Curtis's new business partner Lucy has moved in with the family. Crotchety Curtis is annoyed that not only does he have to put up with her shenanigans at work, but now at home as well.

John Ritter is doing a play in town, and stops into the hardware store for some antique door handles. When Lucy injures his hands and foot, she insists that John stay with her. After the lead actress drops out of the play, Lucy talks John into offering her the part of his love interest.

A former flame of Lucy's, who is a business prospect for Curtis, comes into the store. After he takes her out, Lucy decides that she does not share the same feelings for him that he has carried for her.

When a talk-show host comes into the store, Lucy talks him into inviting Curtis on for a Mr-Fix-It segment. Curtis reluctantly agrees to let Lucy join him, at the urging of Becky. But while gluing a lamp together, Lucy ends up gluing herself to Curtis. . .and both talk show hosts!

While looking for things to put in the yard sale, Lucy happens across her old saxophone and encourages Becky to take up playing. However, Becky finds playing the instrument unsatisfying, as does the annoyed Curtis.

While trying to pass off a Kevin's teddy bear as her own during a clean-up sale, to help avoid taunting from one of Kevin's friends, she sticks it in a bag. The bag is then purchased with the bear inside, so Lucy puts up reward posters around town. When the woman comes in to pick up the reward, she's asking for a lot more than the $50 that Lucy is offering.

Lucy's sister Audrey comes to town just in time to see Margo and Ted renew their vows. Lucy's excitement is diminished when Audrey starts making all the wedding arrangements, resulting in a cake fight between the two siblings.