The quest for a magic bullet is to find a drug which can cure disease and do no harm. Microbiologist Adam Knight finds that the new antibiotic, Floracillin, he has discovered can cause cancer. He falls in love with a young talented singer, the daughter of the head of a pharmaceutical company who wants to acquire the commercial rights to Floracillin.
But he becomes responsible for other bullets. Those that come from Kalashnikov automatic rifles and can shatter lives.