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.

Jay takes Manny out to cut down their own Christmas tree, and Gloria is on edge with mom in town, but changes her tune when she sees her bonding with Claire. Elsewhere, Mitchell is forced to do last minute shopping when they didn’t get Lily the right gift, and Cameron takes Lily to a charity event where they experience the true meaning of Chritmas.