天天干天天 A series of天天 unexplainable accidents befall the people and companies responsible for 天天developing t干he worlds first supersonic airliner (SST1). 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. The evil Petersen has developed a number of "robots" (actually rat天天her beauti***irls with "electronic brains") to help him sabotage the SST1 project by means of "infrasound" (extreme low frequency sound waves) which can be directed at people干 or objects 天天with devastating results.