In 1977, cancer patients died suddenly one after another at Tohto University Hospital. Patients were used as guinea pigs in the clinical trial of the new anti-cancer drug "Kyloid" in top secret! A young doctor, Kuraishi, who discovered the truth about him, was murdered by someone. And Kuraishi's best friend, Watari, is working hard to obtain Kiloid in order to clarify the case...!?