When Terry Rourke attends his brother's extravagant beach wedding in the Hamptons, he's plunged into a treacherous investigation of a decades-old murder case. In a place where wealth and secrets are buried as deep as the sand, Terry's search for truth threatens to unearth more than just hidden crimes; it puts the entire wedding—and his own life—in jeopardy. As he delves deeper, every opulent wave of the Hamptons starts to look like it could be a potential grave, turning the seemingly idyllic celebration into a deadly affair.