Crazed members of a sadistic family return to their childhood home to terrorize the new owners.

In the middle of nowhere, with only a two-lane highway to connect to anywhere, recently divorced Stacia, a passenger on a broken-down bus, gets caught in a bizarre and violent turf war between serial killers.

The Yellowjackets barely made it through summer in the woods, but now as winter begins to bite, hunger and desperation threatens to turn into full-on psychosis. Meanwhile, twenty-five years later, each survivor must ask themselves—is the darkness coming for them, or is it coming from them?