Reynolds struggles to help a young Cystic Fibrosis patient with curious symptoms while Kapoor finally comes face to face with Ella after their awkward encounter. Meanwhile, Sharpe takes a major step in her personal life.

Aasim Iqbal, Alejandro Hernandez, Anna Suzuki, Carlos Arce Jr., Christina Shea-Wright, Cindy Cheung, Debra Monk, Deirdre Madigan, Dierdre Friel, Emma Ramos, Greta Quispe, Jim Ferris, Judith Ivey, Kate Rigg, Leslie Fray, Lilly Knowles, Megumi Haggerty, Michael Pemberton, Nana Mensah, Peter Romano, Robert George Siverls, Robert Jimenez, Sendhil Ramamurthy, Shirley Rumierk, Wenne Alton Davis, Zack Robidas