Season 6 Ep The next morning, the women are hiking in the woods when Ramona stumbles upon something that brings out her worst childhood horrors, causing her to flee the Berkshires. Then, the ladies enjoy a relaxing afternoon of sunbathing, swimming, and hitting on young men before a final dinner out where they devise a plan to give Ramona her "just desserts" for abandoning them under suspicious circumstances.
LuAnn invites Carole on a double date, but will Carole's awkward dating behavior end it before it begins? In a last ditch attempt for reconciliation, Ramona apologizes to Kristen , but Kristen may not be ready to forgive. Everyone gathers to bid Sonja's dog adieu in a memorial like no other. Aviva decides to throw them a party at a surprising, yet fitting, museum. Can Ramona and George reconcile or will their dislike for each other ruin the night?
LuAnn hosts a charity luncheon where Aviva sends around a naughty text that royally ruffles the Countess' feathers. As their departure looms, Aviva and Ramona agree that Montana is not their dream destination.
After procuring a doctor's note, Aviva opts out of the trip due to a sudden horse allergy and asthma condition that nobody is buying. The ladies hit the ground running in Montana, strapping on their designer boots and hats before heading out on a real-life cattle drive. There are distractions from the drama with a full day of outdoor activities. The women become true City Slickers when they try their hand at fly fishing, skeet-shooting and repelling, but when it's Kristen's turn to descend down the mountain, things get tense.
The ladies come together for a modern day treasure hunt called Geocaching, only to splinter apart again when a beer-lubricated Heather gets on Kristen's last nerve. Old friends Kristen and Heather square off in the most unexpected tiff of the season. Surprisingly, Ramona sides with Kristen and they form a bond for the first time.
Heather and Kristen can't make up before the big rodeo show where the ladies enjoy an event that brings them totally out of their element. At the final outdoor Montana dinner, the ladies and a posse of cowpokes throw hatchets, while Kristen and Heather convene down by the river to try and bury theirs. Kristen cooks dinner for Josh in an attempt to lure him home on a more regular basis.
When he shows up late, a tense argument reveals some deeper problems in their relationship. Ramona and Mario prepare for life in an empty nest as they send daughter Avery off to college, while Kristen and Josh seek professional help to put their marriage back on track. Sonja receives an unexpected piece of jewelry and a promise from Harry Dubin , Aviva's ex, but a shocking turn of events rattles their relationship to the core Season 6 Ep Then, when Aviva returns to the group for the first time in weeks -- insults, accusations, and body parts fly in an epic season-ending confrontation.
Ramona is in the hot seat for her behavior towards Kristen in Montana, and Carole confronts Sonja about spreading rumors about her ex. Plus, LuAnn minces no words telling Sonja exactly what she thinks of her and her sometimes questionable headspace. Ramona digs herself into a deeper hole with Heather when she tries to explain her disdain for the Berkshires.
LuAnn confronts Sonja about the decline of their friendship. Things take an unexpected turn when Andy asks Ramona for answers about the status of her marriage.
LuAnn takes the opportunity to get even with Ramona for her past comments about LuAnn's divorce. Ramona tries to dismiss Kristen and her opinions, but the new girl won't be so easily shut down.
Ramona and Sonja must defend their relationship. The ladies open up about the individual struggles and heartache they faced this year. Plus, Aviva discusses what led her to throw her leg at Le Cirque and the women reveal more behind-the-scenes of what really happened that night. Season 10 Ep While Luann is ending her stint in rehab, the women tough it out during a prison style workout.
A few of the ladies attend the funeral for Bobby Zarin, and Bethenny and Jill Zarin share an intimate moment after the funeral, for the first time in years. Luann heads home after her month in rehab.