Have you ever thought of joining the Peace Corps? Shawn meets a recruiter who will give us a glimpse into the fulfillment she received as a volunteer. Then Krystal will meet a caterer who finds his fulfillment by bonding with the community and serving up his delectable culinary creations. We’ll also see how advances in nuclear medicine can pinpoint disease and abnormalities inside a person’s body, when Shawn visits a nuclear medicine technologist.