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 Winbury's.
A twist in the police investigation plunges the Winbury family further into crisis. As long-buried secrets emerge, so does the truth about what happened.
