Body Armor

Soldier of fortune Ken Conway gets a job offer from his former fiancee to look into the whereabouts of a missing scientist. The scientist was working for pharmaceutical researcher Dr. Krago, so Conway goes undercover to infiltrate the doctor's operation. He soon discovers what Krago's scheme is: he creates super-diseases and their cures at the same time, and gets rich by releasing the disease and selling the cure. (imdb)