A raucous trip to a Las Vegas concert veers off course for four friends (Nick Zano, Kyle Schmid, Nicki Aycox and Laura Jordan) when their car sputters to a stop and they're forced to steal another ride. But they have no way of knowing they'd be ticking off a vengeful trucker with homicidal tendencies. The man's ominous-sounding nickname is Rusty Nail -- and, as it turns out, he comes by it honestly.