A highly intelligent, mature family man is blackmailed by a petty crook seeking access to secret information in The Department, a government institute for combatting international crime, but he deflects attention onto a younger colleague.A famous film actress attempts to combat the blackmailer's remorseless persecution of his sister whom he has recruited in order to distract the younger man from his involvement in drug and counterfeit shipments. Romance intrudes but the head of The Department puts business before devotion thereby leading to personal disaster.