Investigative reporter Mike Andros discovers a political columnist from Washington, D.C., is on the take from the New York mob when a reporter for the New York Forum is killed in a car explosion intended for another newsman.

Mike Andros is convinced by the death of a once-prominent author that Doctor Hans Kipness is administering more than vitamin B-12 in his shots.

Nearly a million dollars in diamonds is found in the possession of a mysterious woman killed in an air crash, and investigative reporter Mike Andros traces the fortune to Walter Stanik, a Congressman.

A girl is reported missing and later she's found dead of apparent suicide, the girl's father, and subsequently Mike, believe differently. - Mike's research takes him to Bobby Garr, a pornographic film-maker who supplies movies for theaters under the threat of extortion, fronted by a large allegedly legitimate corporation. In the course of his work, Mike and his assistant, Sandi, are led to Bobby Garr's mansion, where girls, many of whom are underage, are forced to play in porno films.