 A chemist, facing escalating medical bills because his daughter may lose her leg, steals flasks he thinks contains a new lotion. In reality, he has taken a powerful bacteria that will wipe out all forms of life within a certain area. A spy, Jago, wants to sell the bacteria to a country hostile to the United States. Erskine and Rhodes are dispatched to track down the missing flasks which have the potential to wipe out millions of lives.