Sally, an old girlfriend of Kris, moves into town. She overstays her welcome at Rick and Kris's house, while she takes forever looking for an apartment.
Ozzie takes a message from David's new job at the law office concerning some important documents of his boss, Mr. Kelley. But David is not to be found so Harriet and Ozzie track the attorney to a ski lodge to deliver the papers.
Dave and Wally are both dating the same young lady. Dave is invited to the girl's birthday party, but accidentally picks up the box with the wrong gift - a book that will explode when opened.