While Mr. Kelley is out of town and unreachable, a woman visits the law office to arrange a transfer of $20,000 to a relative in Mexico City. Rick becomes suspicious that she may be impersonating the real client, so he schemes to find out the truth.
One of Rick's high school girl friends, now engaged, returns a landscape of their favorite picnic grounds he painted for her years ago. Rick wants to hang the picture in their living room, but his wife is somewhat jealous since he's never done anything artistic for her. In order for both members of the family to save face, Rick convinces Wally agrees to break into the Nelson's house and steal the picture.
June is bored being a housewife and jumps at the chance to help Dave at his office. A misunderstanding at lunch, has June tailing a client of the law firm Dave works at. It gets really confusing when Harriet and Ozzie get involved.
Kris has left an important message for Rick. The trouble is, Wally has torn it into six pieces to use as paper to write IOUs, which he has issued to several fraternity brothers. Rick now has to hunt them down, redeeming them along the way.
Harriet and Clara accuse Ozzie and Joe of being set in their ways and never doing anything different. So when a friend of Joe offers to take them along on an errand, by airplane, the boys decide to go with him and have lunch in Mexico.
June talks Dave into taking some time off. Dave leaves Rick in charge of the office and he and June head up to a cabin on the lake for a few days. But Dave can't relax and worries that Rick might not be able to handle things by himself.