When eight friends return to the isolated mountain cabin where two of their group disappeared exactly one year ago, the situation quickly turns unpleasant. Terrified and tense, you must make the difficult decisions that could mean the difference between life and death for each group member. Only your choices determine who survives.

- See the results of your choices and the path you took with the butterfly effect system.

- Play as each of the eight friends. Everyone can live or die, depending on your choices, and you dont get any second chances.

- Suffer nerve-wracking menace brought to life by a Hollywood ensemble including Hayden Panettiere (Heroes, Nashville).