The Pritchett-Dunphy-Tucker clan are going to be setting off more than a few fireworks when they get together at the annual Fourth of July parade where Jay will be acting as the grand marshal. Haley’s goodbye with Arvin before his trip to Switzerland doesn’t go as planned when she's distracted by the return of an old flame.

Haley needs a little help deciding whether or not to tell Arvin about her kiss with Dylan and goes to Mitch and Cam for their advice. Gloria suspects Manny’s Canadian girlfriend is made up and wants to find out the real truth.

Haley can’t seem to choose between her past and present relationships and is forced to make a decision. Manny returns to college and dorm life while his girlfriend continues to stay at Jay and Gloria’s—and might be overstaying her welcome.

Dede’s husband, Jerry comes to town to bequeath her possessions to the family. Mitch and Claire receive a little more of Dede than they really know what to do with. Jay and Gloria feel sorry for Jerry and invite him to stay with them while he is in town.

Hayley wants to give the family a Christmas gift they will never forget if she can just figure out the perfect time. Claire is mad that Phil has once again borrowed the family Christmas tree for a house-showing. Jay, Gloria and Joe have to deal with some unwelcome visitors over the holidays.

Claire and Phil aren’t convinced that Haley and Dylan can make it on their own as they move them into their new apartment before the baby arrives. Meanwhile, Pameron gets out of prison early and has a bone to pick with Mitchell.