Blood-soaked horror comedy about a New Zealander, Henry Oldfield (Nathan Meister), with an unfortunate phobia of sheep. When Henry returns to his family's farm he is unaware that something baaaad is going on - his brother Angus' (Peter Feeney) reckless genetic engineering programme. When a pair of inept environmental activists release a mutant lamb from Angus' laboratory onto the farm, thousands of sheep are turned into blood-thirsty predators. Along with farmhand Tucker (Tammy Davis) and greenie girl Experience (Danielle Mason), Henry finds himself stranded on the farm as his worst nightmare comes to life.