As summer in London draws to a close, Myka steps into the spotlight, hosting her very first UK etiquette event. Mark-Francis and Margo come together in hopes of making peace. The group attends Joshua Kane's Summer Showcase, where Martha finally finds her voice, much to Margo's dismay.

Myka embarks on a new business built on kindness; Lottie and Joshua host a gender reveal for their families; Margo and Emma throw competing dinner parties where Mark-Francis spreads a rumor about Margo, leaving Martha caught between her two best friends.

Martha digs through long-forgotten boxes from her past, unearthing memories; Myka sits down with Dara; Missè organizes a day of wine tasting and bonding.

Tensions at Longleat continue as Margo’s sharp words strike a nerve with Mark-Francis, sending ripples of friction through the group. As the others enjoy a day out in Cheddar, Margo suffers an emotional breakdown.

The ladies trade the bustle of London for a lavish retreat at the magnificent Longleat House, anticipating a weekend of elegance, adventure and indulgence; The calm of the countryside soon begins to fray, however, as long-simmering tensions between Margo and Mark-Francis resurface, threatening to turn their refined escape into an uncomfortable clash.

Margo brings a dose of American holiday spirit to London. Martha takes meaningful strides toward reclaiming control of her life. Myka celebrates her birthday with a lavish, polo-inspired bash in true British fashion. Misse attempts to mend the growing rift between Mark-Francis and Margo.

Emma receives a surprising health update. Lottie grows concerned that Joshua's work life is taking a toll. Martha hosts a "My Fair Lady"-themed picnic, but the afternoon turns out anything but proper when Margo confronts Mark-Francis for spreading rumores behind her back.

Lottie and Joshua shop for the perfect push present; as a health scare rattles her, Emma turns to Mark-Francis for comfort and reassurance; Kimi hosts a glamorous art party, but the celebration takes a sharp turn when she's confronted about her behavior.

Lottie and Joshua celebrate her pregnancy with a photoshoot as Myka juggles the challenges of solo parenting.

Tension between Caprice and Caroline ignites at Caroline's dinner party; Caprice packs for the States; Caroline and Juliet's friendship grows; Noelle must choose a side.

Julie is put to the test as Lady of the Manor when her first dinner party explodes into an argument resulting in Caroline Stanbury storming out. A day fishing on the water does nothing to wash away the tensions as Caroline Stanbury's relationship with Sophie continues to fracture over loyalty. Meanwhile Caroline Fleming and Juliet gossip about Marissa's choice to leave her baby behind in London for a party in the Hampton's.

Legal woes impact Noelle and her boyfriend. Meanwhile, Caprice reveals a secret, and the ladies gear up for the summer's biggest social event.

Julie extends an olive branch to Caroline Stanbury in spite of their fallout on New Year's Eve; Marissa seeks Annabelle's advice in anticipation of the launch of her new restaurant; Julie looks for funding for her snack-food startup.

After being on the outs with the ladies for weeks, Juliet attempts to turn a new leaf when she invites everyone out for a night of bowling -- but whether she can convince them she’s changed remains to be seen. Caroline Stanbury faces the unsettling reality of having to scale down her staff in order to appease investors and keep her business afloat. Julie takes Annabelle and Caroline Fleming to her uncle’s Beaulieu estate to generate ideas for saving Mapperton.

The ladies deal with fallout from naughty New Year's Eve high jinks. Meanwhile, Marissa receives positive press for her restaurant; Caroline Fleming visits her grandmother in Denmark; and Caroline Stanbury tries to evade gossip.

Caroline Fleming organizes an eccentric holiday party. Annabelle tries to help Julie improve her confidence. Caroline Stanbury attempts to deal with the problems of running a business.

Adela, Caroline Stanbury, and Sophie share a slumber party in commemoration of Caroline's last week in London. Julie gets emotional preparing her daughter for the final school dance while Juliet revisits her past and her Polish heritage when her mother arrives to visit. All the ladies come together when Caroline Fleming throws a Midsummer's Eve themed party in honor of her mom, but when a secret is exposed the celebration becomes a nightmare.

Much to Julie's chagrin, Caroline Stanbury instructs her on the emerging health food industry; the women celebrate New Year's Eve in the penthouse of a London hotel, where Caroline's antics threaten to push Juliet and Julie over the edge.

It’s new beginnings and life changing moments in the season three premiere of Ladies of London. Julie Montagu and her husband Luke officially take over his family estate, Mapperton, and the responsibilities of its 400 year legacy. Meanwhile, Marissa is pregnant with her third child, but the birth is far from a joyous event due to a life threatening condition. Caroline Fleming struggles to balance home life as she has to travel to Denmark weekly to spend time with her sick father. While, Sophie, Caroline's sister-in-law, finds herself caught in the middle of a feud between Julie and Caroline Stanbury.

The tension bubbling between Annabelle and Caroline Stanbury boils over at Caroline Fleming’s enormous castle. The baroness visits her mother’s grave and faces her father for the first time since Marissa’s meddling. The ladies uncover the reason behind Annabelle’s attitude.

Juliet is unable to accept the change when Marissa becomes a British citizen; Annabelle continues training for a charity horse race; Caprice takes on a new model for a photo campaign; Noelle and Scot move in together.

Marissa must work to salvage her friendship with Caroline Fleming after insulting her for dating a younger man. Julie once again fulfills her reputation as "Loose Lips" Montagu when she hosts a shooting weekend for the girls. Caroline Stanbury struggles to remain emotionally stable while her Gift Library continues its downward spiral.

Annabelle Neilson is back on the scene after a horrible accident last season while Julie Montagu struggles with being a working mom now that her husband is busy running their family’s Mapperton estate. Marissa Hermer sets out to throw a lavish Thanksgiving dinner for her society friends, but as the holiday approaches, Juliet Angus and Caroline Stanbury forge an alliance that could spell the end of Juliet’s friendship with Marissa.

Caprice basks in the limelight thanks to tabloid successes. Meanwhile, Juliet and Marissa host a Fourth of July bash, resulting in interpersonal fireworks.