A group of three survivors must make their way through the dinosaur apocalypse to a military base, the last safe place on earth. Once there, they come across a plot that’s more terrifying than the dinosaurs themselves.

On the anniversary weekend of the death of a young women’s husband, five girls head out to a cabin to help their friend move past her husband’s death. As the party continues a dark secret begins to unravel and a hideous past crawls out to seek revenge.