When one lavish wedding ends in disaster before it can even begin - with a body discovered in Nantucket Harbor just hours before the ceremony - everyone in the wedding party is suddenly a suspect.
Cast: Nicole Kidman, Dakota Fanning, Eve Hewson, Liev Schreiber, Meghann Fahy, Michael Beach, Jack Reynor, Billy Howle, Nick Searcy, Dendrie Taylor, Michael McGrady, Ishaan Khattar, Donna Lynne Champlin, Stuart Whelan, Irina Dubova, Amory D. Wallace, Adina Porter, Rhonda Araujo Smith
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.
As Tag's movements at the party come under scrutiny, Amelia asks some questions of her own. Greer's efforts to throw the perfect book launch go awry.
Tough questions from Detective Henry deepen Amelia's suspicions. Greer receives a mysterious call. Tensions rise and tempers flare among the Winburys.
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.
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.
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.