Fear Island

Fear Island is a 2009 thriller television film starring Haylie Duff, Lucy Hale, and Aaron Ashmore. It was directed by Michael Storey. The original title for the film was Deep Cove but later changed to Fear Island confirmed by the movies trailer. The film has been released only in Canada, Germany, Austria, the UK, and Spain.

After four years together in college, a group of friends, Kyle, Tyler, Ashley, Jenna and Mark meet for a weekend getaway at brothers Kyle and Tylers family cabin on a secluded island for one last party before they go their separate ways.Minutes after arriving on the island, a stowaway, Megan, reveals herself. Soon after, the group gets down to partying, drinking, and fooling around. Ashley and Kyle are in the hot tub, while Tyler and Megan are inside doing Tequila shots. Jenna, upset that Mark tagged along at the last minute goes to the dock alone, where Mark finds her to try and set up a truce. Meanwhile, someone is watching Tyler give Megan shots and then Tyler gives Ashleys little dog Tequila in a bowl. Tyler later lets the tipsy dog outside alone, and makes his move on Megan who is willing but says she hasnt done it before as she is only 15. Tyler changes his mind, apologizes and says he was mistaken to try and seduce her. Tyler goes outside to find Ashley and Kyle have discovered blood in their ice bucket and are freaking out. ........

Source: Wikipedia