S5 · E59 October 197360m0

The Light At the Threshold

Marcus Welby, M.D.

Episode Summary

Tracey Robbins has been plagued with diabetes for years and the disease has caused her to slowly lose her sight due to blood vessel malfunction. When her father fails to take her on a promised trip to Europe and her infatuation with Dr. Kiley undergoes a rude awakeing, the girl becomes withdrawn and refuses the operation.