When Karen Harmon, a nurse whom Magnum knew in Vietnam whom was once traumatised when a wounded soldier she was treating was killed in a bombing, and is now a doctor, is accused of the murder of three patients in her care, he is determined to help her clear her name. All but one of the entire hospital board believe her to be guilty, and when his offer of help is rejected by Karen and her now husband, Thomas feels compelled to look into the case anyway. A hounding reporter determined for a story does not help the issue; and the whole matter only serves to trigger off delayed stress syndrome for Karen from that fateful bombing in 'Nam...
