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

A betrayal, a reunion, and an unexpected spark—Lizzy's enchanted birthday party will be one to remember.

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.

Tensions are set aside—for now—to help Jinny fight for her freedom.

In New York, the scandalous St. George divorce trial is underway. Nan copes with further revelations about her birth mother.

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