It's the last full day in Ireland for these Jersey lasses as Paul's family stops by the castle for a visit. Jennifer plans a hen party to celebrate Teresa; however, the farm festivities take a teary-eyed turn when old memories resurface. The ladies take part in an Irish whiskey tasting. Danielle confronts Rachel and Margaret over their treatment of her throughout the trip. It's Guys' Night back in New Jersey as they test out some new samples from Frank's work, trying to convince Joe to take the high road in more ways than one.

The Catanias go out for a celebratory family dinner, Paul and Brittany included. Frank continues to poke at Paul as Paul hints there may be more than just one wedding in the group's near future. Rachel and John share big news with Jaiden. Danielle and her mom attempt to move on from the pain Danielle's brother has caused the family. Still feeling the luck of the Irish, Paul and Dolores plan a fun, Prohibition-themed party. However, while getting ready for the party, Louie surprises Teresa when he lets loose about how he really feels about her brother.