A series of unexplainable accidents befall the people and companies responsible for developing the world's first supersonic airliner. A British agent is sent to investigate and with the help of another agent uncovers a plot masterminded by Carl Petersen who stands to gain eight million pounds if the aircraft is not ready by a certain date.

Cast:Richard Johnson, Daliah Lavi, Beba Lončar, James Villiers, Vanessa Howard, Maurice Denham,

Genre:Action, Adventure, Comedy,

country:United Kingdom,

Production:Ashdown Film Productions, The Rank Organisation,