In this sci-fi adventure a gorgeous alien woman is sent to Earth by mistake from the planet Epsilon. Landing in the Australian outback she meets a surveyor and they cross the continent together. However, she spends the trip haranguing him for the ecological recklessness and avarice of the human race.

Ex-con Eddie Cleary gets a job working on his older brother's isolated farm. It's not long before bizarre things start happening--dead birds falling out of the sky, family pets attacking their owners, strange apparitions beginning to appear, and people who had been "normal" suddenly going insane.

A seven-year-old girl adopts a vow of silence in protest when her quarrelsome parents grow increasingly hostile to one another.