A strange animal attack turns a botanist into a bloodthirsty monster.

A lazy, irresponsible young clerk in provincial Northern England lives in his own fantasy world and makes emotionally immature decisions as he alienates friends and family

Chic socialite Melanie Daniels enjoys a passing flirtation with an eligible attorney in a San Francisco pet shop and, on an impulse, follows him to his hometown bearing a gift of lovebirds. But upon her arrival, the bird population runs amok. Suddenly, the townsfolk face a massive avian onslaught, with the feathered fiends inexplicably attacking people all over Bodega Bay.