Claire must reign in her enthusiasm for Halloween and keep her celebration kid-friendly; Phil decides to hold an open house on Halloween; Mitch and Cam have a costume party; Gloria's hormones make her more quick-tempered than usual.

When Gloria's mother and sister visit, they bring traditions, baby names and family baggage; Phil helps the kids with their problems; Mitchell and Cameron try to correct Lily's bad habits.

Phil's job takes up a lot of his time; Luke has his friends over for a poker game; Gloria worries the baby is cursed; Cam hosts a funeral for the cat's imaginary wife.

Gloria is excited at the possibility for being selected for jury duty; Claire brings Alex and Haley to work and hopes to impress them; Phil takes Manny and Luke's class to community service day.

Phil is surprised by Claire's reaction to Luke's arrest; Mitchell helps Gloria figure out the secret to her family sauce recipe.

Phil is selling an upscale home where various members of the family sneak off for alone time.

Gloria wins a silent auction to have a therapist come for an afternoon with the adults; Haley and Alex consider dumping their boyfriends.

With Closet-Con right around the corner, Claire is on high alert and convinced there is a mole in the company. Meanwhile, Phil goes vigilante when he and Gloria confront Auntie Alice for stealing her hot sauce recipe. Jay tries to teach Joe how to do some manly handy work, and with prom coming up, Mitch helps Luke with his "promposal" while Cam helps with Manny's, but Cam goes a little overboard, revealing that there maybe something deeper going on.

Luke’s Halloween party isn’t the monster bash he dreamed of and is at risk of having the worst party of the year. Sensing trouble, the rest of the Dunphy’s realize all his party needs is a visit from Rod Skyhook, a little promotion and some adult supervision to get it started. Meanwhile at the Tucker-Pritchett home, Cam faces off with his Halloween nemesis while Lily and Mitchell try to save the day and work to keep him from going to the darkside. Finally, when Jay finds out that Manny is going to a party at the home of an old enemy, he enlists him to deliver a trick he will never forget.

Phil and Claire realize that Alex may be more self-sufficient in college than they give her credit for when they drop in for a quick visit. Meanwhile, Manny is determined to avoid a long tearful goodbye after Gloria and Jay move him into his college dorm. Finally, Mitch may have accidentally accelerated a planned renovation, and Hayley gets an unexpected opportunity when she befriends a wealthy female member at the country club.