Sam makes a bold move amid the buzz of orientation day. Casey crosses paths with Nate. Elsa and Doug unpack the hazards of half-truths.

An ethics professor pushes Sam to his limits. Elsa keeps an eye on Doug ... and Megan. Casey considers her future and encourages Evan to do the same.

As Paige makes a plan in the face of adversity, Sam awaits a crucial academic update. Elsa endures an uncomfortable encounter.

Casey and Izzie face fallout from the protest. Paige tries to prove her mettle to Casey through strange tasks. Doug avoids dealing with a painful loss.