

Wedding guests arrive on Nantucket for the lavish rehearsal dinner at the Winbury estate, but the nuptials take a tragic turn when a body is discovered.

While police search Summerland for clues, Greer's swift attempt to control the narrative makes Amelia uneasy. A wedding guest tries to leave the island.

Greer works to keep up appearances for a magazine interview. Abby shares a scandalous secret. Amelia says the quiet part out loud during a family dinner.

Tough questions from Detective Henry deepen Amelia's suspicions. Greer receives a mysterious call. Tensions rise and tempers flare among the Winburys.