

Bob's patients observe tradition by planning a surprise party to honor the fourth year of the group's therapy sessions. When an unseen member, a Mr. Gianelli, threatens to turn the party into a disaster, Bob kicks him out of the group. His decision meets with instant group approval until Mr. Gianelli dies under a ton of zucchini.
Bob's old school friend Murdock is in town for a day to sell a complex giveaway item to a Chicago cereal company. Bob invites him to stay overnight at his home. The brief encounter stretches out to a week when Murdock can't make his business connections. He gradually takes over Bob's car, clothing, and most of his home life.