The Cassandra Crossing

When a plague-infected terrorist, fleeing from the police, exposes the 1,000 riders of the Geneva to Stockholm Express, Colonel Mackenzie (LANCASTER) is called in to handle the situation. He locates a doctor aboard the train, Jonathan Chamberlain (Harris) who, with his life (Loren), finds the fugitive. They attempt to transfer him to a hovering helicopter, but fail, and the terrorist dies.To prevent the spread of the plague, Colonel Mackenzie directs the train to the Cassandra Crossing bridge, Chamberlain struggles todisconnect the cars and save the passengers from their appointment with doom. (official distributor synopsis)