After Saladin's victory over the King of Jerusalem, a peace treaty is signed between them, but the commander of the Crusader army, Renaud de Chatillon, slaughters a group of pilgrims going to Mecca. Saladin then decides to take revenge.
A wealthy San Francisco socialite pursues a potential boyfriend to a small Northern California town that slowly takes a turn for the bizarre when birds of all kinds suddenly begin to attack people.