The horny farmer McDonald has his wicked way with a goat. Life returns to normal for the family, until the goat gives birth! The mutant off spring, called Billy, is tormented by the Farmer's sons, only the daughter feels any pity for him. It isn't long before Billy, who keeps growing bigger, plans revenge.
Michael Balfour, Samantha Perkins, Jackie D. Broad, Bryan Heeley, Trevor Peake, Norman Mitchell, Dean Williamson, Michael Ripper, John Gugolka, John Abbott, Elaine Ives-Cameron, Derek Ware, Danny Davies, Frank Scantori, Tim Dennison, David Read, Portia Bo
