SSD...The medical code for sudden surgical death. In Boston Memorial Hospital, the syndrome has reached epidemic proportions. Post-operative patients are dying without reason. Pathologist Robert Seibert has found a pattern among the victims. They're homosexual or mentally defective or terminally ill. Somebody has the knowledge and the access to kill them. Maybe Seibert knows who it is...but he is hospitalised for minor surgery and he becomes the next victim. The attractive wife of a top cardiac surgeon lies in bed after an eye operation and she cannot see the man who has entered her room...
