After a troubling personal experience with the health care system, Heng Ji decides to try to fix it, and when Brendan Harley is diagnosed with leukaemia in high school, it changes everything.

César Nufio's childhood experience as a Guatamalan immigrant shapes his life in science, and seeking acceptance as a child of Kurdish immigrants in Denmark, Cansu Karabiyik decides to become a scientist.

While Renee Joshua-Porter is in labor, she starts feeling a horrible stabbing pain in her back, and despite being in excruciating pain, Gretchen Douma worries getting a knee replacement will ruin her blossoming acting career.

In order to score extra credit in her high school anatomy class, Amy Segal embarks on a journey to build a cat skeleton, and Dave Coyle goes on a smelly mission to find the endangered American burying beetle for his undergraduate project.