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.

Juliet tries to make peace by hosting a "hat party" in anticipation of a horse race. Elsewhere, Annabelle stages a runway show; Noelle and Scot face obstacles in their relationship; and the ladies are invited to an aristocratic family's estate.

In the aftermath of her press slip up in Denmark, Caroline Fleming seeks help from her therapist to work through the tension between her and her family. Marissa must cancel her party when baby Sadie gets sick and is rushed to the hospital. Meanwhile, Julie looks forward to hosting all the ladies at the family estate, Mapperton, but with tensions mounting between Caroline Stanbury, Sophie, and Adela things come to a head when the house rules are laid down.

The whiskey is flowing and the haggis is hot as Caroline Stanbury's castle getaway with the ladies in Scotland continues. After being confronted over her negativity, Juliet makes an effort to reign in her fiery temper when it becomes apparent Marissa is struggling with her health post-birth. In an attempt to have fun, Caroline Fleming organizes an innocent game with balloons that quickly becomes X-Rated. Sophie witnesses an end to the long standing feud between Julie and Caroline Stanbury, but may have triggered a new one herself.

The ladies try to make peace with one another by visiting a regal estate for a weekend of skeet shooting, croquet, flower gardens and tea.

Marissa makes a decision about the future of her family while Julie must face the fear of letting her daughter go. Caroline Fleming gets news about her first English language cookbook and Sophie comes to the decision to tell her kids about her separation. Juliet celebrates a milestone in her blogs success, and the ladies gather at a goodbye party for Caroline Stanbury.

In the aftermath of Sophie's divorce party, it's Stanbury vs. Stanbury when Caroline and Sophie battle it out over family loyalties. Julie tries to makes big changes at the family estate, Mapperton, but with nearly 400 years of British history behind it, she doubts herself as an American. Marissa welcomes her new baby after facing her near death experience in surgery. Meanwhile on a trip to Denmark with Juliet, Caroline Fleming makes the ultimate red carpet slip up landing her in red hot water with her family.

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.