Casey's demanding schedule starts affecting her grades, while Sam seeks out some extra credit himself. A chance run-in revives old suspicions for Elsa.

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.

Elsa makes a meaningful reconnection. Paige plans a romantic night with Sam. Pressure mounts on Casey ahead of a big track meet.