Claire and Phil have mixed feelings regarding the first day of school for the kids. Jay and Gloria argue about an outfit for Manny, and a minor problem with Lily gets blown out of proportion by Mitchell and Cameron.
The whole family comes out to support Manny's newfound interest - fencing. It turns out he's quite masterful in the sport, but Jay's proud enthusiasm triggers an old childhood wound for Mitchell. Meanwhile Phil is determined to find where Luke's hidden talents lie.
Jay has a sleepover for his grandkids, but Haley is looking for a way out. Claire tries to get a perfect anniversary gift for Phil, and Mitchell and Cameron discover that their ladyfriend is crazy and jealous of their daughter.
Phil and Claire cancel Christmas for their kids until they confess to wrongdoings at the house. Jay is hesitant to celebrate Gloria and Manny's holiday traditions. Mitchell and Cameron take Lily to meet Santa.