A 707 aircraft jetliner on its way from Athens to Rome and then to New York City is hijacked by Lebanese terrorists. The terrorists demand that the pilot take them to Beirut. What the terrorists don't realize is that an elite team of commandoes led by Major McCoy (Norris) and by Colonel Alexander (Marvin) as been called into service to eliminate all terrorists on the jetliner and who's involved in the hijacking and try to retake the plane before the terrorists kill all the hostages.