British agent Bulldog Drummond is assigned to stop a master criminal who uses beautiful women to do his killings.
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.
Three Vietnam vets have become so conditioned to violence that they have developed psychotic tendencies. They kidnap people, brutalize them, then turn them loose and hunt them like animals. However the father of one of their earlier victims is plotting a vicious revenge against them.
