Air date: 2009-04-09

Runtime: 42 min

Abby Mills returns to Harper's Island for the wedding celebration of her best friend, Henry Dunn, and his fiance, Trish Wellington. Abby hasn't been home in seven years, since her mother and five others were murdered by John Wakefield.

Air date: 2009-04-16

Runtime: 42 min

The wedding party heads out on a scavenger hunt. While out, Trish meets up with an old flame, Henry talks to the locals, and Abby runs into a friend who has been haunted by John Wakefield.

Air date: 2009-04-23

Runtime: 42 min

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.

Air date: 2009-05-02

Runtime: 42 min

The groomsmen take Henry fishing for his bachelor party and make a gruesome discovery. The bridesmaids celebrate Trish's final days as a bachelorette with a psychic who has a very strong reaction to Abby.

Air date: 2009-05-09

Runtime: 42 min

A father/daughter bike ride in the woods leads to a startling revelation. Abby uncovers the Sheriff's secret obsession as Trish and Henry's wedding rehearsal takes an unexpected turn.

Air date: 2009-05-23

Runtime: 42 min

Air date: 2009-05-30

Runtime: 42 min

The wedding guests begin preparing to leave the island but the Sheriff suspects that one of them is the killer. Some new information reveals an eerie connection between Abby and Wakefield.

Air date: 2009-06-06

Runtime: 42 min

As the guests get ready to leave the island, one guest mysteriously disappears. Abby receives a phone call from someone threatening to kill the missing guest if anyone leaves the island.

Air date: 2009-06-13

Runtime: 42 min

The group turn against each other. However they find a map and are forced to come together to find Madison.

Air date: 2009-06-18

Runtime: 42 min

An attempt to leave the island after Katherine has been killed turns into a disaster that will keep the remaining members of the wedding trapped for now. Meanwhile they find out a secret that will leave them reeling, and four more victims are claimed.

Air date: 2009-06-27

Runtime: 42 min

Abby confronts the killer, but the guests start thinking he may have an accomplice. Another guest dies and another goes missing.

Air date: 2009-07-04

Runtime: 42 min

Eight of the suspects battle for survival as the truth is revealed.

Air date: 2009-07-11

Runtime: 42 min

The answers are finally unveiled in the season finale.