Lindley and Jim's efforts to market the baby walker meet with stumbling blocks; Joe is protective of David after a vagrant attacks the boy in the park; Kay feels remorseful after selling a dilapidated home to a young couple; Sam tires of constant surprises in his marriage.

Sunny's behavior around the house annoys Joe, while Billy Putzi becomes a disruptive force in the Eisenberg home; and Kay's classes begin to dominate her life, much to Sam's dismay.