Gannon gets a mysterious turndown when he asks the mother of a girl needing a kidney transplant to become her daughter's donor. He then discusses the case with the girl's father and begins to unfold tne reasons for the mother's strange attitude.

Dr. Paul Lochner faces one of the most difficult assignments of his career when he must tell his daughter Jennifer that she has a serious arterial condition that may require surgery and possibly delay her planned wedding. Co-star James Daly's daughter Tyne Daly is the guest star.

Fans see another side of hero Doc Gannon in this episode when he puts up a runaway kid in his apartment. Gannon displays sympathy listening to the youngster's complaints, while hunting for an answer to the blackouts suffered by the kid.