Estranged Ana and Rachel Logan take a much-needed vacation to Thailand - perhaps their sisterhood could even be mended along the way. After an intense party session their group mysteriously wake up on a boat, the ocean carrying them toward a seemingly deserted island. As nightfall hangs over them, tempers rise, survival instincts kick in, and something evil lurks in the wilderness. Who will perish to the unknown?
Erin Greene's relationship with her partner could be better, yet despite the many arguments and physical altercations, she's determined to make it work with the father of her unborn child. Going out on a drive with the intention of quality time to themselves, Erin and Phil are left stranded in a snowstorm, yet the cold's not the only thing to worry about. It's possible they just might be surrounded by wolves.