On this highway, the roadkill is human. Adam has to take one last crack at the girl he loved from afar but never told who is about to marry someone else, so he sets off on a cross-country trip,...

On this highway, the roadkill is human. Adam has to take one last crack at the girl he loved from afar but never told who is about to marry someone else, so he sets off on a cross-country trip, not realising his ex-best friend Harley has tagged along. Harley's not his only problem -- there's a disfigured serial killer on their tail who wants to take a chunk out of the boys.