It's a season of change for this Garden State clan. As Lauren and Vito prepare to tie the knot, Chris and Albie seek to develop separate identities. Chris has moved out to a bachelor pad in Hoboken while Albie focuses on work by pursuing a business opportunity in Colorado's booming cannabis industry. Sensing distance between her sons, Caroline makes it her mission to prevent her sons from going down the same unhealthy path that she and her sister Dina have taken. But will Mama Manzo's meddling drive her sons further apart? Meanwhile, Caroline reveals she invited Dina to Lauren's bridal shower.
With Lauren's nuptials fast approaching, Caroline fears that Lauren and her fiancé Vito will make an impulsive decision that could jeopardize their future and decides to give them a hard lesson about finances. Meanwhile, Albie relives heartache over being kicked out of law school and Chris devises a plan to present Caroline with a Mother's Day gift that turns back time. The family has mixed reactions when laugher at their Mother's Day brunch abruptly turns to tears.
Caroline is at her wit's end with her grown children's juvenile behavior. Although Albie, Chris, and Lauren attempt to mend hurt feelings with their mother, Caroline refuses to back down and her first order of business is Lauren. Lauren's exorbitant spending and "Daddy's Little Girl" routine has grown old, so Caroline finally gives her a dose of tough love. However, when the lesson backfires, Lauren's bridezilla behavior hits new heights. Meanwhile, Albie reveals shocking developments in his love life.
Energy in the Manzo house is nothing short of crazy as Caroline prepares to throw Lauren a picture perfect bridal shower. Albie courageously decides to invite his on-again girlfriend, Brittany, back into the Manzo fold for this special occasion, but his Aunt Jacqueline's remarks threaten to drive Brittany away. Meanwhile, Chris' colossal interruption stops the shower in its tracks.
When Vito's behavior takes a turn for the worse, Lauren realizes she may have bitten off more than she can chew with her soon-to-be hubby. When the Manzos and Scalias get together for dinner, jaw-dropping revelations leave the Manzos speechless.
Lauren and her bridal party celebrate her upcoming nuptials with a night of booze and games, and Lauren insists on bringing Mama Manzo along for the raunchy ride. Feeling left out of the festivities, the boys decide to kidnap their sister for one last crazy adventure.
Eager to take Colorado's booming cannabis industry by storm, Albie drags Chris out west to do a little research for his budding business venture. The brothers tour a multi-million dollar grow house in attempt to further Albie's career goals, but once in the Mile-High city, Albie does some surprising soul-searching. Back on the east coast, Caroline and Albert Sr. prepare to reveal a secret to their children and the Scalias that will leave the entire group speechless.
With their luggage (and emotional baggage) packed up, the Manzo and Scalia families head to Italy for some last minute bonding. The trip is meant to be carefree but Albert Sr. immediately struggles with the gravity of losing his little girl, risking the vacation to be strained as this daddy-daughter duo navigates uncharted territory in their relationship. Chris makes an announcement that leaves Caroline utterly heartbroken.
The Manzo-Scalia trip to Italy was intended to be full of family bonding, but instead it has the group buckling under pressure. Caroline steals Chris away for an important heart-to-heart, Albert Sr. continues to deal with surrendering his role as Lauren's "Number One Man." Vito's mother and Caroline upset Lauren so deeply that the bride-to-be storms away.
The Manzo and Scalia families head to a breathtaking Italian countryside farm, but beautiful scenery and fresh food aren't the only things on everyone's mind. Chris and Albie are shocked when Vito reveals a huge secret that will change both families forever. Meanwhile, Albert's emotional turmoil about losing his daughter becomes too much to bear, and his deep heartache is finally exposed. With the vacation in Italy coming to an end, Caroline makes a heartfelt speech intended to unite the families.