Wyrmwood (18)

A meteor shower transforms the majority of the population into the shuffling undead with an insatiable hunger for human flesh. A mechanic called Barry is devastated when his wife and daughter become victims of the apocalypse but he has to keep his emotions in check because his sister Brooke is still alive in the outback. He launches a daring rescue operation. En route, Barry meets a fellow survivor called Benny and they join forces to repel the ravenous undead.