An American writer goes to a remote Welsh manor on a $20,000 bet that he can write a classic novel like 'Wuthering Heights' in 24 hours. However, upon his arrival he discovers that the apparently empty manor has several rather odd inhabitants.

A 707 aircraft jetliner, en route from Athens to Rome and then to New York City, is hijacked by Lebanese terrorists, who demand that the pilot take them to Beirut. What the terrorists don't realize is that an elite team of commandos have been called in to eliminate all terrorists on the jetliner.