A hairdresser catches a woman's (Kaitlin's) fiance with another woman; a computer tutor arrives at the house to give Mom lessons, but catches Dad with another woman (Dad's assistant) and the tutor must pose as Tara's (the assistant's) boyfriend so Mom won't find out about Dad's affair.
An investment broker arrives at the house to meet Joe and discovers that Kaitlin's a dominatrix; an unsuspecting clown is asked to do a striptease at Kaitlin's bachelorette party.
A tutor for Patrick must pose as a cousin of the Marks to win a thousand pies and appear in a commercial with Ed McMahon; a financial planner expecting to meet Joe and Cathy about buying a life insurance plan is asked to keep a secret that Grandma Marks can walk, and he must also take the blame for a vase that Grandma has broken.