A group of family and friends travels to a secluded island for a destination wedding. They've come to laugh... to love... and, though they don't know it... to die. As the wedding festivities begin, friendships are tested and secrets exposed as a murderer claims victims, one by one, transforming the wedding week of fun and celebration into a terrifying struggle for survival.
Abby Mills returns to Harper's Island for the wedding celebration of her best friend, Henry Dunn, and his fiancée, Trish Wellington. Abby hasn't been home in seven years, since her mother and five others were murdered by John Wakefield.
As the wedding party embarks on a scavenger hunt, Trish confronts an old flame, Henry makes peace with some locals and Abby runs into a friend who is haunted by John Wakefield and the island's tragic past.
When a local girl's death is ruled a suicide, Abby challenges her father, the Sheriff, to investigate what really happened. As the wedding approaches, Trish must come to a decision about Hunter.
With the wedding party reeling after the deadly events at the rehearsal, Abby, Henry and J.D. take matters into their own hands as they try and solve the murder.
As the wedding guests prepare to leave the island, evidence leads the Sheriff to believe one of them is responsible for the deaths on the island. Also, Abby learns a dark secret linking her to Wakefield.
After being rocked by more deaths and the disappearance of another friend, the group fights back and is more determined than ever to track down the island's killer.
Elaine Cassidy
Abby Mills
Christopher Gorham
Henry Dunn
Katie Cassidy
Trish Wellington
Cameron Richardson
Chloe Carter
Jim Beaver
Charlie Mills
C.J. Thomason
Jimmy Mance
Adam Campbell
Cal Vandeusen
Matt Barr
Christopher 'Sully' Sullivan
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