Nan must figure out her path forward. Jinny feels trapped. Mrs. St. George reckons with the state of her family.

Conchita hosts a raucous country house party. Jinny and Lizzy go head-to-head for the same man. Nan reveals a secret.

At the exclusive Tintagel ball, Nan considers the prospect of becoming a duchess. Conchita struggles with her mother-in-law's approval.

Things unravel during a weekend at Guy's family home, as Nan finds herself feeling torn. Mabel and Honoria get closer.

Nan's wedding day is in full swing, but a surprise appearance by someone from her past threatens to derail the festivities.

From sun-drenched Italy to a champagne-soaked English garden party, emotions run high and chances are taken.

The buccaneers prepare for Lizzy's wedding day. Nan returns to face the music as things get more complicated.

The end-of-season Tintagel Ball sets off an explosive chain of revelations and betrayals—and Nan's life will never be the same.

A group of young American heiresses are changed forever when they're whisked across the Atlantic to London.

Amid the Tintagel spring gala, Lizzy grapples with whether to share crucial information with Nan.