The Dark Hours

The Dark Hours is a 2005 Canadian horror film directed by Paul Fox and written by Wil Zmak.

Sam needs a weekend away from the city, but what David has set up isnt especially relaxing for her a short holiday at a remote cabin, where David will be editing his latest book with the help of Sams younger, attractive sister Melody Iris Graham. As Sam watches sparks begin to fly between her sister and her husband, Harlan Pyne Aidan Devine and his friend Adrian Dov Tiefenbach break into the cabin and announce their presence by shooting Sams pet dog.Harlan is a convicted sex offender and murderer who was placed under Sams care in the institution and wasnt happy with the experimental treatment he received having escaped, he and Adrian have tracked her down and decide to take revenge by forcing Sam, Melody, and David to participate in a series of strange and humiliating games. ........

Source: Wikipedia