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

Claire and the kids seize an opportunity to help expedite the ducks leaving the nest while Phil is off visiting Alex at college. Jay helps Mitch with Lily’s sleepover with her friends from her Vietnamese dance troupe. Gloria and Cam are off on a hot pepper heist carefully orchestrated by Manny in order to meet a big hot sauce delivery deadline.

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.